Wednesday 30 April 2008
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Spine. 33(9): April 20, 2008
Link to journal and full text
Hay, Douglas FRCS; Izatt, Maree T. BPhty; Adam, Clayton J. PhD; Labrom et al
The Use of Fulcrum Bending Radiographs in Anterior Thoracic Scoliosis Correction: A Consecutive Series of 90 Patients
p. 999-1005
Abstract
Study Design. A prospective, consecutive series of 90 patients receiving fulcrum bending radiographs before endoscopic anterior scoliosis correction.Objective. To assess the effectiveness of fulcrum bending radiographs in predicting correction of the structural curve in anterior scoliosis surgery for a series of 90 consecutive patients.Summary of Background Data. The fulcrum bending radiograph is highly predictive of scoliosis curve correction for posterior instrumented fixation. However, its use has been questioned in relation to anterior scoliosis surgery due to the disc removal in anterior procedures.Methods. Fulcrum bending radiographs were performed before endoscopic anterior scoliosis correction following the protocol of Cheung and Luk. All patients received a single anterior rod and vertebral body screws using a standard compression technique. In all cases, cleared disc spaces were packed with mulched femoral head allograft. Surgical correction was assessed using 6- to 8-week postoperative standing radiographs. Paired t tests and least squares linear regression analysis were used to compare the preoperative major Cobb angle achieved on the fulcrum bending radiograph with the postoperative Cobb angles for each patient.Results. Mean (+/-SD) major curve correction rate was 60.1% +/- 12.4%. Mean instrumented curve correction rate was 63.7% +/- 11.7%. Mean fulcrum flexibility was 60.8% +/- 15.5%. Mean fulcrum bending correction index was 104%. There was no statistically significant difference between the mean fulcrum bending radiograph Cobb angle (20.4 +/- 9[degrees]) and the mean postoperative major Cobb angle for the structural curve (20.5 +/- 7.1[degrees]).Conclusion. The results of this study show that fulcrum bending radiographs are predictive of surgical correction for anterior scoliosis surgery.
Lurie, Jon D.; Tosteson, Anna N. A. ; Tosteson, Tor D. et al
Reliability of Magnetic Resonance Imaging Readings for Lumbar Disc Herniation in the Spine Patient Outcomes Research Trial (SPORT)
p. 991-998
Abstract
Study Design. Assessment of the reliability of standardized magnetic resonance imaging (MRI) interpretations and measurements.Objective. To determine the intra- and inter-reader reliability of MRI parameters relevant to patients with intervertebral disc herniation (IDH), including disc morphology classification, degree of thecal sac compromise, grading of nerve root impingement, and measurements of cross-sectional area of the spinal canal, thecal sac, and disc fragment.Summary of Background Data. MRI is increasingly used to assess patients with sciatica and IDH, but the relationship between specific imaging characteristics and patient outcomes remains uncertain. Although other studies have evaluated the reliability of certain MRI characteristics, comprehensive evaluation of the reliability of readings of herniated disc features on MRI is lacking.Methods. Sixty randomly selected MR images from patients with IDH enrolled in the Spine Patient Outcomes Research Trial were each rated according to defined criteria by 4 independent readers (3 radiologists and 1 orthopedic surgeon). Quantitative measurements were performed separately by 2 other radiologists. A sample of 20 MRIs was re-evaluated by each reader at least 1 month later. Agreement for rating data were assessed with kappa statistics using linear weights. Reliability of the quantitative measurements was assessed using intraclass correlation coefficients (ICCs) and summaries of measurement error.Results. Inter-reader reliability was substantial for disc morphology [overall kappa 0.81 (95% confidence interval (CI): 0.78, 0.85)], moderate for thecal sac compression [overall kappa 0.54 (95% CI: 0.37, 0.68)], and moderate for grading nerve root impingement [overall kappa 0.47 (95% CI: 0.36, 0.56)]. Quantitative measures showed high ICCs of 0.87 to 0.96 for spinal canal and thecal sac cross-sectional areas. Measures of disc fragment area had moderate ICCs of 0.65 to 0.83. Mean absolute differences between measurements ranged from approximately 15% to 20%.Conclusion. Classification of disc morphology showed substantial intra- and inter-reader agreement, whereas thecal sac and nerve root compression showed more moderate reader reliability. Quantitative measures of canal and thecal sac area showed good reliability, whereas measurement of disc fragment area showed more modest reliability.
Hay, Douglas FRCS; Izatt, Maree T. BPhty; Adam, Clayton J. PhD; Labrom et al
The Use of Fulcrum Bending Radiographs in Anterior Thoracic Scoliosis Correction: A Consecutive Series of 90 Patients
p. 999-1005
Abstract
Study Design. A prospective, consecutive series of 90 patients receiving fulcrum bending radiographs before endoscopic anterior scoliosis correction.Objective. To assess the effectiveness of fulcrum bending radiographs in predicting correction of the structural curve in anterior scoliosis surgery for a series of 90 consecutive patients.Summary of Background Data. The fulcrum bending radiograph is highly predictive of scoliosis curve correction for posterior instrumented fixation. However, its use has been questioned in relation to anterior scoliosis surgery due to the disc removal in anterior procedures.Methods. Fulcrum bending radiographs were performed before endoscopic anterior scoliosis correction following the protocol of Cheung and Luk. All patients received a single anterior rod and vertebral body screws using a standard compression technique. In all cases, cleared disc spaces were packed with mulched femoral head allograft. Surgical correction was assessed using 6- to 8-week postoperative standing radiographs. Paired t tests and least squares linear regression analysis were used to compare the preoperative major Cobb angle achieved on the fulcrum bending radiograph with the postoperative Cobb angles for each patient.Results. Mean (+/-SD) major curve correction rate was 60.1% +/- 12.4%. Mean instrumented curve correction rate was 63.7% +/- 11.7%. Mean fulcrum flexibility was 60.8% +/- 15.5%. Mean fulcrum bending correction index was 104%. There was no statistically significant difference between the mean fulcrum bending radiograph Cobb angle (20.4 +/- 9[degrees]) and the mean postoperative major Cobb angle for the structural curve (20.5 +/- 7.1[degrees]).Conclusion. The results of this study show that fulcrum bending radiographs are predictive of surgical correction for anterior scoliosis surgery.
Lurie, Jon D.; Tosteson, Anna N. A. ; Tosteson, Tor D. et al
Reliability of Magnetic Resonance Imaging Readings for Lumbar Disc Herniation in the Spine Patient Outcomes Research Trial (SPORT)
p. 991-998
Abstract
Study Design. Assessment of the reliability of standardized magnetic resonance imaging (MRI) interpretations and measurements.Objective. To determine the intra- and inter-reader reliability of MRI parameters relevant to patients with intervertebral disc herniation (IDH), including disc morphology classification, degree of thecal sac compromise, grading of nerve root impingement, and measurements of cross-sectional area of the spinal canal, thecal sac, and disc fragment.Summary of Background Data. MRI is increasingly used to assess patients with sciatica and IDH, but the relationship between specific imaging characteristics and patient outcomes remains uncertain. Although other studies have evaluated the reliability of certain MRI characteristics, comprehensive evaluation of the reliability of readings of herniated disc features on MRI is lacking.Methods. Sixty randomly selected MR images from patients with IDH enrolled in the Spine Patient Outcomes Research Trial were each rated according to defined criteria by 4 independent readers (3 radiologists and 1 orthopedic surgeon). Quantitative measurements were performed separately by 2 other radiologists. A sample of 20 MRIs was re-evaluated by each reader at least 1 month later. Agreement for rating data were assessed with kappa statistics using linear weights. Reliability of the quantitative measurements was assessed using intraclass correlation coefficients (ICCs) and summaries of measurement error.Results. Inter-reader reliability was substantial for disc morphology [overall kappa 0.81 (95% confidence interval (CI): 0.78, 0.85)], moderate for thecal sac compression [overall kappa 0.54 (95% CI: 0.37, 0.68)], and moderate for grading nerve root impingement [overall kappa 0.47 (95% CI: 0.36, 0.56)]. Quantitative measures showed high ICCs of 0.87 to 0.96 for spinal canal and thecal sac cross-sectional areas. Measures of disc fragment area had moderate ICCs of 0.65 to 0.83. Mean absolute differences between measurements ranged from approximately 15% to 20%.Conclusion. Classification of disc morphology showed substantial intra- and inter-reader agreement, whereas thecal sac and nerve root compression showed more moderate reader reliability. Quantitative measures of canal and thecal sac area showed good reliability, whereas measurement of disc fragment area showed more modest reliability.
American Journal of Roentgenology 2008 ; VOL 190 ; PART 4
The Library currently subscribes to the paper copy of this journal.
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Unenhanced MR Angiography of the Thoracic Aorta : Initial Clinical Evaluation
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Search the Web:
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Search the Web:
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Search the Web:
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Fluoroscopic Intralesional Injection with Pingyangmycin Lipiodol Emulsion for the Treatment of Orbital Venous Malformations
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Search the Web:
[article] [author(s)]
Hypervascular Thyroid Nodules on Time - Resolved MR Angiography at 3 T : Radiologic - Pathologic Correlation
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Search the Web:
[article] [author(s)]
The Frequency of Lingual Tonsil Enlargement in Obese Children
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Page: 973-975
Search the Web:
[article] [author(s)]
Hippocampal MRI Signal Hyperintensity After Febrile Status Epilepticus Is Predictive of Subsequent Mesial Temporal Sclerosis
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Search the Web:
[article] [author(s)]
Imaging of Biliary Tract Inflammation : An Update
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Page: 984-992
Search the Web:
[article] [author(s)]
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Page: 993-1002
Search the Web:
[article] [author(s)]
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Yanaga , Y . ; Awai , K . ; Nakaura , T .
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Search the Web:
[article] [author(s)]
Doppler Sonography to Diagnose Venous Congestion in a Modified Right Lobe Graft After Living Donor Liver Transplantation
Kim , S . Y . ; Kim , K . W . ; Lee , S . S .
Page: 1010-1017
Search the Web:
[article] [author(s)]
Sparing of Fatty Infiltration Around Focal Hepatic Lesions in Patients with Hepatic Steatosis : Sonographic Appearance with CT and MRI Correlation
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[article] [author(s)]
Radiologic - Pathologic Conferences of Boston University Medical Center . Undifferentiated Embryonal Sarcoma of the Liver
Kim , M . ; Tireno , B . ; Slanetz , P . J .
Page: 1028
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Radiofrequency Ablation of Hepatocellular Carcinoma : Can Subcapsular Tumors Be Safely Ablated ?
Kim , Y . J . ; Raman , S . S . ; Yu , N . C . ; Busuttil , R . W . ; Tong , M . ; Lu , D . S . K .
Page: 1029-1034
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Transarterial Chemoembolization in Patients Not Eligible for Liver Transplantation : Single - Center Results
Herber , S . C . A . ; Otto , G . ; Schneider , J .
Page: 1035-1042
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Visualization of Hypervascular Liver Lesions During TACE : Comparison of Angiographic C - Arm CT and MDCT
Meyer , B . C . ; Frericks , B . B . ; Voges , M .
Page: 1043
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Is There Sufficient MDCT Capacity to Provide Colorectal Cancer Screening with CT Colonography for the U . S . Population ?
Pickhardt , P . J . ; Hassan , C . ; Laghi , A .
Page: 1044-1049
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Barium Enema Evaluation of Colonic Involvement in Endometriosis
Faccioli , N . ; Manfredi , R . ; Mainardi , P .
Page: 1050-1054
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Use of Perfluorocarbon Compound in the Endorectal Coil to Improve MR Spectroscopy of the Prostate
Choi , H . ; Ma , J
Page: 1055-1059
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Gadolinium - Based Contrast Exposure , Nephrogenic Systemic Fibrosis , and Gadolinium Detection in Tissue
Wiginton , C . D . ; Kelly , B . ; Oto , A .
Page: 1060-1068
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Nephrogenic Systemic Fibrosis : Possible Association with a Predisposing Infection
Golding , L . P . ; Provenzale , J . M .
Page: 1069-1075
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Body MRI Using IDEAL
Costa , D . N . ; Pedrosa , I . ; McKenzie , C . ; Reeder , S . B . ; Rofsky , N . M
Page: 1076-1084
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Added Value of SPECT / CT for Correlation of MIBG Scintigraphy and Diagnostic CT in Neuroblastoma and Pheochromocytoma
Rozovsky , K . ; Koplewitz , B . Z . ; Krausz , Y .
Page: 1085-1090
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False - Positive Findings on ^ 1 ^ 8F - FDG PET / CT : Differentiation of Hibernoma and Malignant Fatty Tumor on the Basis of Fluctuating Standardized Uptake Values
Smith , C . S . ; Teruya - Feldstein , J . ; Caravelli , J . F . ; Yeung , H . W
Page: 1091-1096
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Whole - Body MRI Versus Whole - Body MDCT for Staging of Multiple Myeloma
Baur - Melnyk , A . ; Buhmann , S . ; Becker , C .
Page: 1097-1104
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Atrophy and Fatty Infiltration of the Supraspinatus Muscle : Sonography Versus MRI
Khoury , V . ; Cardinal , E . ; Brassard , P .
Page: 1105-1111
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Postoperative Evaluation of the Total Ankle Arthroplasty
Bestic , J . M . ; Peterson , J . J . ; DeOrio , J . K . ; Bancroft , L . W . ; Berquist , T . H . ; Kransdorf , M . J .
Page: 1112-1123
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Direct MR Arthrography of the Hip with Leg Traction : Feasibility for Assessing Articular Cartilage
Llopis , E . ; Cerezal , L . ; Kassarjian , A . ; Higueras , V . ; Fernandez , E
Page: 1124-1128
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Circulation. 117(14) April 8, 2008.
Link to journal and full text
Yang, Hyun Suk MD; Srivathsan, Komandoor MD; Wissner, Eric et al
Real-Time 3-Dimensional Transesophageal Echocardiography: Novel Utility in Atrial Fibrillation Ablation With a Prosthetic Mitral Valve
pages e304-e305
Soriano, Brian D. MD; Hoch, Martin MD; Ithuralde, Alejandro MD; Geva, Tal MD et al
Matrix-Array 3-Dimensional Echocardiographic Assessment of Volumes, Mass, and Ejection Fraction in Young Pediatric Patients With a Functional Single Ventricle: A Comparison Study With Cardiac Magnetic Resonance
p.1842-1848
Abstract
Background-: Quantitative assessment of ventricular volumes and mass in pediatric patients with single-ventricle physiology would aid clinical management, but it is difficult to obtain with 2-dimensional echocardiography. The purpose of the present study was to compare matrix-array 3-dimensional echocardiography (3DE) measurements of single-ventricle volumes, mass, and ejection fraction with those measured by cardiac magnetic resonance (CMR) in young patients.Methods and Results-: Twenty-nine patients (median age, 7 months) with a functional single ventricle undergoing CMR under general anesthesia were prospectively enrolled. The 3DE images were acquired at the conclusion of the CMR. Twenty-seven of 29 3DE data sets (93%) were optimal for 3DE assessment. Two blinded and independent observers performed 3DE measurements of volume, mass, and ejection fraction. The 3DE end-diastolic volume correlated well (r=0.96) but was smaller than CMR by 9% (P<0.01), and 3DE ejection fraction was smaller than CMR by 11% (P<0.01). There was no significant difference in measurements of end-systolic volume and mass. The 3DE interobserver differences for mass and volumes were not significant except for ejection fraction (8% difference; P<0.05). Intraobserver differences were not significant.Conclusions-: In young pediatric patients with a functional single ventricle, matrix-array 3DE measurements of mass and volumes compare well with those obtained by CMR. 3DE will provide an important modality for the serial analysis of ventricular size and performance in young patients with functional single ventricles.
Yang, Hyun Suk MD; Srivathsan, Komandoor MD; Wissner, Eric et al
Real-Time 3-Dimensional Transesophageal Echocardiography: Novel Utility in Atrial Fibrillation Ablation With a Prosthetic Mitral Valve
pages e304-e305
Soriano, Brian D. MD; Hoch, Martin MD; Ithuralde, Alejandro MD; Geva, Tal MD et al
Matrix-Array 3-Dimensional Echocardiographic Assessment of Volumes, Mass, and Ejection Fraction in Young Pediatric Patients With a Functional Single Ventricle: A Comparison Study With Cardiac Magnetic Resonance
p.1842-1848
Abstract
Background-: Quantitative assessment of ventricular volumes and mass in pediatric patients with single-ventricle physiology would aid clinical management, but it is difficult to obtain with 2-dimensional echocardiography. The purpose of the present study was to compare matrix-array 3-dimensional echocardiography (3DE) measurements of single-ventricle volumes, mass, and ejection fraction with those measured by cardiac magnetic resonance (CMR) in young patients.Methods and Results-: Twenty-nine patients (median age, 7 months) with a functional single ventricle undergoing CMR under general anesthesia were prospectively enrolled. The 3DE images were acquired at the conclusion of the CMR. Twenty-seven of 29 3DE data sets (93%) were optimal for 3DE assessment. Two blinded and independent observers performed 3DE measurements of volume, mass, and ejection fraction. The 3DE end-diastolic volume correlated well (r=0.96) but was smaller than CMR by 9% (P<0.01), and 3DE ejection fraction was smaller than CMR by 11% (P<0.01). There was no significant difference in measurements of end-systolic volume and mass. The 3DE interobserver differences for mass and volumes were not significant except for ejection fraction (8% difference; P<0.05). Intraobserver differences were not significant.Conclusions-: In young pediatric patients with a functional single ventricle, matrix-array 3DE measurements of mass and volumes compare well with those obtained by CMR. 3DE will provide an important modality for the serial analysis of ventricular size and performance in young patients with functional single ventricles.
Circulation. 117(15) April 15, 2008
Link to journal and full text
Honda, Yasuhiro MD; Fitzgerald, Peter J. MD, PhD;
Frontiers in Intravascular Imaging Technologies
p. 2024-2037
Anderson, Lisa J. MD; Miyazaki, Chinami MD; Sutherland, George R. MD, PhD; Oh, Jae K. MD;
Patient Selection and Echocardiographic Assessment of Dyssynchrony in Cardiac Resynchronization Therapy
2009-2023
Honda, Yasuhiro MD; Fitzgerald, Peter J. MD, PhD;
Frontiers in Intravascular Imaging Technologies
p. 2024-2037
Anderson, Lisa J. MD; Miyazaki, Chinami MD; Sutherland, George R. MD, PhD; Oh, Jae K. MD;
Patient Selection and Echocardiographic Assessment of Dyssynchrony in Cardiac Resynchronization Therapy
2009-2023
Stroke - Published ahead of print
Link to journal and full text of articles
Barber, P Alan PhD, FRACP; Hach, Sylvia MSc; Tippett, Lynette J. PhD; Ross, Linda et al
Cerebral Ischemic Lesions on Diffusion-Weighted Imaging Are Associated With Neurocognitive Decline After Cardiac Surgery
Stroke. Publish Ahead of Print, published online before print, 6 March 2008
Abstract
Background and Purpose-: Improvements in cardiac surgery mortality and morbidity have focused interest on the neurological injury such as stroke and cognitive decline that may accompany an otherwise successful operation. We aimed to investigate (1) the rate of stroke, new ischemic change on MRI, and cognitive impairment after cardiac valve surgery; and (2) the controversial relationship between perioperative cerebral ischemia and cognitive decline.Methods-: Forty patients (26 men; mean [SD] age 62.1 [13.7] years) undergoing intracardiac surgery (7 also with coronary artery bypass grafting) were studied. Neurological, neuropsychological, and MRI examinations were performed 24 hours before surgery and 5 days (MRI and neurology) and 6 weeks (neuropsychology and neurology) after surgery. Cognitive decline from baseline was determined using the Reliable Change Index.Results-: Two of 40 (5%) patients had perioperative strokes and 22 of 35 (63%) tested had cognitive decline in at least one measure (range, 1 to 4). Sixteen of 37 participants (43%) with postoperative imaging had new ischemic lesions (range, 1 to 17 lesions) with appearances consistent with cerebral embolization. Cognitive decline was seen in all patients with, and 35% of those without, postoperative ischemic lesions (P<0.001),>
Tsivgoulis, Georgios MD; Alexandrov, Andrei MD;
Ultrasound-Enhanced Thrombolysis: From Bedside to Bench. [Editorial]
Stroke. Publish Ahead of Print, published online before print, 13 March 2008
Barber, P Alan PhD, FRACP; Hach, Sylvia MSc; Tippett, Lynette J. PhD; Ross, Linda et al
Cerebral Ischemic Lesions on Diffusion-Weighted Imaging Are Associated With Neurocognitive Decline After Cardiac Surgery
Stroke. Publish Ahead of Print, published online before print, 6 March 2008
Abstract
Background and Purpose-: Improvements in cardiac surgery mortality and morbidity have focused interest on the neurological injury such as stroke and cognitive decline that may accompany an otherwise successful operation. We aimed to investigate (1) the rate of stroke, new ischemic change on MRI, and cognitive impairment after cardiac valve surgery; and (2) the controversial relationship between perioperative cerebral ischemia and cognitive decline.Methods-: Forty patients (26 men; mean [SD] age 62.1 [13.7] years) undergoing intracardiac surgery (7 also with coronary artery bypass grafting) were studied. Neurological, neuropsychological, and MRI examinations were performed 24 hours before surgery and 5 days (MRI and neurology) and 6 weeks (neuropsychology and neurology) after surgery. Cognitive decline from baseline was determined using the Reliable Change Index.Results-: Two of 40 (5%) patients had perioperative strokes and 22 of 35 (63%) tested had cognitive decline in at least one measure (range, 1 to 4). Sixteen of 37 participants (43%) with postoperative imaging had new ischemic lesions (range, 1 to 17 lesions) with appearances consistent with cerebral embolization. Cognitive decline was seen in all patients with, and 35% of those without, postoperative ischemic lesions (P<0.001),>
Tsivgoulis, Georgios MD; Alexandrov, Andrei MD;
Ultrasound-Enhanced Thrombolysis: From Bedside to Bench. [Editorial]
Stroke. Publish Ahead of Print, published online before print, 13 March 2008
Alexandrov, Andrei V. MD; Mikulik, Robert MD; Ribo, Marc MD; Sharma, Vijay K. et al
A Pilot Randomized Clinical Safety Study of Sonothrombolysis Augmentation With Ultrasound-Activated Perflutren-Lipid Microspheres for Acute Ischemic Stroke
Stroke. Publish Ahead of Print, published online before print, 20 March 2008
Abstract
Background and Purpose-: Ultrasound transiently expands perflutren-lipid microspheres ([mu]S), transmitting energy momentum to surrounding fluids. We report a pilot safety/feasibility study of ultrasound-activated [mu]S with systemic tissue plasminogen activator (tPA).Methods-: Stroke subjects treated within 3 hours had abnormal Thrombolysis in Brain Ischemia (TIBI) residual flow grades 0 to 3 before tPA on transcranial Doppler (TCD). Randomization included Controls (tPA+TCD) or Target (tPA+TCD+2.8 mL [mu]S). The primary safety end point was symptomatic intracranial hemorrhage (sICH) with worsening by >=4 NIHSS points within 72 hours.Results-: Fifteen subjects were randomized 3:1 to Target, n=12 or Control, n=3. After treatment, asymptomatic ICH occurred in 3 Target and 1 Control, and sICH was not seen in any study subject. [mu]S reached MCA occlusions in all Target subjects at velocities higher than surrounding residual red blood cell flow: 39.8+/-11.3 vs 28.8+/-13.8 cm/s, P<0.001. p="0.028." p="0.003," p="0.456.Conclusions-:">
Stroke. Publish Ahead of Print, published online before print, 20 March 2008
Abstract
Background and Purpose-: Ultrasound transiently expands perflutren-lipid microspheres ([mu]S), transmitting energy momentum to surrounding fluids. We report a pilot safety/feasibility study of ultrasound-activated [mu]S with systemic tissue plasminogen activator (tPA).Methods-: Stroke subjects treated within 3 hours had abnormal Thrombolysis in Brain Ischemia (TIBI) residual flow grades 0 to 3 before tPA on transcranial Doppler (TCD). Randomization included Controls (tPA+TCD) or Target (tPA+TCD+2.8 mL [mu]S). The primary safety end point was symptomatic intracranial hemorrhage (sICH) with worsening by >=4 NIHSS points within 72 hours.Results-: Fifteen subjects were randomized 3:1 to Target, n=12 or Control, n=3. After treatment, asymptomatic ICH occurred in 3 Target and 1 Control, and sICH was not seen in any study subject. [mu]S reached MCA occlusions in all Target subjects at velocities higher than surrounding residual red blood cell flow: 39.8+/-11.3 vs 28.8+/-13.8 cm/s, P<0.001. p="0.028." p="0.003," p="0.456.Conclusions-:">
Shah, Rajiv R. MD; Haghpanah, Sepideh MD; Elovic, Elie P. MD; Flanagan, Steven R. et al
MRI Findings in the Painful Poststroke Shoulder
Stroke. Publish Ahead of Print, published online before print, 3 April 2008
Abstract
Background and Purpose-: We describe the structural abnormalities in the painful shoulder of stroke survivors and their relationships to clinical characteristics.Method-: Eighty-nine chronic stroke survivors with poststroke shoulder pain underwent T1- and T2-weighted multiplanar, multisequence MRI of the painful paretic shoulder. All scans were reviewed by one radiologist for the following abnormalities: rotator cuff, biceps and deltoid tears, tendinopathies and atrophy, subacromial bursa fluid, labral ligamentous complex abnormalities, and acromioclavicular capsular hypertrophy. Clinical variables included subject demographics, stroke characteristics, and the Brief Pain Inventory Questions 12. The relationship between MRI findings and clinical characteristics was assessed through logistic regression.Results-: Thirty-five percent of subjects exhibited a tear of at least one rotator cuff, biceps or deltoid muscle. Fifty-three percent of subjects exhibited tendinopathy of at least one rotator cuff, bicep or deltoid muscle. The prevalence of rotator cuff tears increased with age. However, rotator cuff tears and rotator cuff and deltoid tendinopathies were not related to severity of poststroke shoulder pain. In approximately 20% of cases, rotator cuff and deltoid muscles exhibited evidence of atrophy. Atrophy was associated with reduced motor strength and reduced severity of shoulder pain.Conclusions-: Rotator cuff tears and rotator cuff and deltoid tendinopathies are highly prevalent in poststroke shoulder pain. However, their relationship to shoulder pain is uncertain. Atrophy is less common but is associated with less severe shoulder pain.
MRI Findings in the Painful Poststroke Shoulder
Stroke. Publish Ahead of Print, published online before print, 3 April 2008
Abstract
Background and Purpose-: We describe the structural abnormalities in the painful shoulder of stroke survivors and their relationships to clinical characteristics.Method-: Eighty-nine chronic stroke survivors with poststroke shoulder pain underwent T1- and T2-weighted multiplanar, multisequence MRI of the painful paretic shoulder. All scans were reviewed by one radiologist for the following abnormalities: rotator cuff, biceps and deltoid tears, tendinopathies and atrophy, subacromial bursa fluid, labral ligamentous complex abnormalities, and acromioclavicular capsular hypertrophy. Clinical variables included subject demographics, stroke characteristics, and the Brief Pain Inventory Questions 12. The relationship between MRI findings and clinical characteristics was assessed through logistic regression.Results-: Thirty-five percent of subjects exhibited a tear of at least one rotator cuff, biceps or deltoid muscle. Fifty-three percent of subjects exhibited tendinopathy of at least one rotator cuff, bicep or deltoid muscle. The prevalence of rotator cuff tears increased with age. However, rotator cuff tears and rotator cuff and deltoid tendinopathies were not related to severity of poststroke shoulder pain. In approximately 20% of cases, rotator cuff and deltoid muscles exhibited evidence of atrophy. Atrophy was associated with reduced motor strength and reduced severity of shoulder pain.Conclusions-: Rotator cuff tears and rotator cuff and deltoid tendinopathies are highly prevalent in poststroke shoulder pain. However, their relationship to shoulder pain is uncertain. Atrophy is less common but is associated with less severe shoulder pain.
Wintermark, Max MD; Albers, Gregory W. MD; Alexandrov, Andrei V. MD; Alger, Jeffry R. et al Acute Stroke Imaging Research Roadmap. [Report]
Stroke. Publish Ahead of Print, published online before print, 10 April 2008
Abstract
mdash;: The recent "Advanced Neuroimaging for Acute Stroke Treatment" meeting on September 7 and 8, 2007 in Washington DC, brought together stroke neurologists, neuroradiologists, emergency physicians, neuroimaging research scientists, members of the National Institute of Neurological Disorders and Stroke (NINDS), the National Institute of Biomedical Imaging and Bioengineering (NIBIB), industry representatives, and members of the US Food and Drug Administration (FDA) to discuss the role of advanced neuroimaging in acute stroke treatment. The goals of the meeting were to assess state-of-the-art practice in terms of acute stroke imaging research and to propose specific recommendations regarding: (1) the standardization of perfusion and penumbral imaging techniques, (2) the validation of the accuracy and clinical utility of imaging markers of the ischemic penumbra, (3) the validation of imaging biomarkers relevant to clinical outcomes, and (4) the creation of a central repository to achieve these goals. The present article summarizes these recommendations and examines practical steps to achieve them.(C) 2008 American Heart Association, Inc.
Stroke. Publish Ahead of Print, published online before print, 10 April 2008
Abstract
mdash;: The recent "Advanced Neuroimaging for Acute Stroke Treatment" meeting on September 7 and 8, 2007 in Washington DC, brought together stroke neurologists, neuroradiologists, emergency physicians, neuroimaging research scientists, members of the National Institute of Neurological Disorders and Stroke (NINDS), the National Institute of Biomedical Imaging and Bioengineering (NIBIB), industry representatives, and members of the US Food and Drug Administration (FDA) to discuss the role of advanced neuroimaging in acute stroke treatment. The goals of the meeting were to assess state-of-the-art practice in terms of acute stroke imaging research and to propose specific recommendations regarding: (1) the standardization of perfusion and penumbral imaging techniques, (2) the validation of the accuracy and clinical utility of imaging markers of the ischemic penumbra, (3) the validation of imaging biomarkers relevant to clinical outcomes, and (4) the creation of a central repository to achieve these goals. The present article summarizes these recommendations and examines practical steps to achieve them.(C) 2008 American Heart Association, Inc.
Clinical Physiology and Functional Imaging Vol 28, Issue 3, May 2008
N.B. We do not have access to the full text of this journal
Review Articles
Assessment of coronary blood flow and the reactivity of the microcirculation non-invasively with transthoracic echocardiography
Tuomas Kiviniemi
pages 145–155
Original Articles
Transoesophageal echocardiography should be considered in patients with ischaemic stroke or transient ischaemic attack
Marjatta Strandberg, Reijo J Marttila, Hans Helenius and Jaakko Hartiala
pages 156–160
Normal limits for left ventricular ejection fraction and volumes determined by gated single photon emission computed tomography a comparison between two quantification methods
Milan Lomsky, Lena Johansson, Peter Gjertsson, Jonas Björk and Lars Edenbrandt
pages 169–173
Review Articles
Assessment of coronary blood flow and the reactivity of the microcirculation non-invasively with transthoracic echocardiography
Tuomas Kiviniemi
pages 145–155
Original Articles
Transoesophageal echocardiography should be considered in patients with ischaemic stroke or transient ischaemic attack
Marjatta Strandberg, Reijo J Marttila, Hans Helenius and Jaakko Hartiala
pages 156–160
Normal limits for left ventricular ejection fraction and volumes determined by gated single photon emission computed tomography a comparison between two quantification methods
Milan Lomsky, Lena Johansson, Peter Gjertsson, Jonas Björk and Lars Edenbrandt
pages 169–173
Injury Vol. 39, Iss. 5, 2008
Total-body digital X-ray in trauma: An experience report on the first operational full body scanner in Europe and its possible role in ATLS
Pages 525-529
A.K. Exadaktylos, L.M. Benneker, V. Jeger, L. Martinolli, H.M. Bonel, S. Eggli, H. Potgieter and H. Zimmermann
Pages 525-529
A.K. Exadaktylos, L.M. Benneker, V. Jeger, L. Martinolli, H.M. Bonel, S. Eggli, H. Potgieter and H. Zimmermann
Monday 14 April 2008
New books in the Library
Atlas of gastrointestinal imaging : radiologic-endoscopic correlation
by Perry J. Pickhardt and Glen M. Arluk
published by Saunders Elsevier, 2007
Shelved at 616.3075 PIC
Practical gastrointestinal endoscopy : the fundamentals
by Peter B. Cotton and Christopher B. Williams
published by Blackwell Publishing, 2003
Shelved at 616.07545 COT
by Perry J. Pickhardt and Glen M. Arluk
published by Saunders Elsevier, 2007
Shelved at 616.3075 PIC
Practical gastrointestinal endoscopy : the fundamentals
by Peter B. Cotton and Christopher B. Williams
published by Blackwell Publishing, 2003
Shelved at 616.07545 COT
Identification of Distant Metastases With PET
Gourin, Christine G. MD; Watts, Tammara L. MD, PhD; Williams, Hadyn T. MD; Patel, Vijay S. MD; Bilodeau, Paul A. MD; Coleman, Teresa A.
Identification of Distant Metastases With Positron-Emission Tomography-Computed Tomography in Patients With Previously Untreated Head and Neck Cancer
Laryngoscope. 118(4):671-675, April 2008.
Abstract
Objectives: To investigate the utility of positron-emission tomography-computed tomography (PET-CT) in identifying distant metastatic disease in patients with previously untreated head and neck squamous cell cancer (HNSCC) prior to definitive treatment.Materials and Methods: Retrospective analysis of 27 consecutive patients with previously untreated HNSCC who underwent PET-CT imaging in addition to chest radiography (CXR) as part of their metastatic workup.Results: The majority of patients (89%) had TNM stage III or IV disease. PET-CT was suspicious for pulmonary malignancy in four (15%) patients and indeterminate in one (4%) patient. CXR was suspicious for pulmonary malignancy in two (7%) patients. Pulmonary metastases or a new lung primary was present in 3 (11%) patients: 3 of 4 (75%) patients with positive PET-CT scans and 0 of 23 (0%) patients with negative or indeterminate PET-CT scans compared with 2 of 2 (100%) patients with positive CXR and 1 of 25 (4%) patients with negative CXR. The sensitivity and specificity of PET-CT in predicting pulmonary malignancy was 100% and 96%, respectively, with a positive predictive value of 75% and a negative predictive value of 100%. The sensitivity and specificity of CXR in predicting pulmonary malignancy was 67% and 100%, respectively, with a positive predictive value of 100% and a negative predictive value of 96%. Including nonpulmonary sites, the overall incidence of distant metastatic disease was 19% (5/27) with 11% (3/27) unsuspected prior to PET-CT.Conclusions: PET-CT improves detection of metastatic disease in the high-risk patient and should be performed as part of the routine pretreatment evaluation of patients with advanced stage HNSCC.
Link to journal
Identification of Distant Metastases With Positron-Emission Tomography-Computed Tomography in Patients With Previously Untreated Head and Neck Cancer
Laryngoscope. 118(4):671-675, April 2008.
Abstract
Objectives: To investigate the utility of positron-emission tomography-computed tomography (PET-CT) in identifying distant metastatic disease in patients with previously untreated head and neck squamous cell cancer (HNSCC) prior to definitive treatment.Materials and Methods: Retrospective analysis of 27 consecutive patients with previously untreated HNSCC who underwent PET-CT imaging in addition to chest radiography (CXR) as part of their metastatic workup.Results: The majority of patients (89%) had TNM stage III or IV disease. PET-CT was suspicious for pulmonary malignancy in four (15%) patients and indeterminate in one (4%) patient. CXR was suspicious for pulmonary malignancy in two (7%) patients. Pulmonary metastases or a new lung primary was present in 3 (11%) patients: 3 of 4 (75%) patients with positive PET-CT scans and 0 of 23 (0%) patients with negative or indeterminate PET-CT scans compared with 2 of 2 (100%) patients with positive CXR and 1 of 25 (4%) patients with negative CXR. The sensitivity and specificity of PET-CT in predicting pulmonary malignancy was 100% and 96%, respectively, with a positive predictive value of 75% and a negative predictive value of 100%. The sensitivity and specificity of CXR in predicting pulmonary malignancy was 67% and 100%, respectively, with a positive predictive value of 100% and a negative predictive value of 96%. Including nonpulmonary sites, the overall incidence of distant metastatic disease was 19% (5/27) with 11% (3/27) unsuspected prior to PET-CT.Conclusions: PET-CT improves detection of metastatic disease in the high-risk patient and should be performed as part of the routine pretreatment evaluation of patients with advanced stage HNSCC.
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British Journal of Radiology 2008 Vol 81 Part 963
COST - ENLIGHT strategic workshop on hadron ( particle ) therapy , CERN , Geneva , 3 - 4 May 2007
Taylor , R . E
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Cancer surveillance based on imaging techniques in carriers of BRCA1 / 2 gene mutations : a systematic review
Bermejo - Perez , M J . ; Marquez - Calderon , S . ; Llanos - Mendez , A .
Page:172-179
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Computer - aided detection for CT colonography : incremental benefit of observer training
Taylor , S . A . ; Burling , D . ; Roddie , M . ; Honeyfield , L . ; McQuillan , J . ; Bassett , P . ; Halligan , S .
Page:180-186
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Clinical significance and renal haemodynamics of incidentally detected retroaortic left renal vein : assessment with venous Doppler sonography
Yagci , B . ; Tavasli , B . ; Karabulut , N . ; Kiroglu , Y .
Page:187-191
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Comparing two methods for assessment of perfusion - diffusion mismatch in a rodent model of ischaemic stroke : a pilot study
Chen , F . ; Liu , Q ; Wang , H . ; Suzuki , Y . ; Nagai , N . ; Yu , J . ; Marchal , G . ; Ni , Y .
Page:192-198
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Cell - dependent influence on the phagocytosis induced by non - ionic contrast medium injection
Bohm , I . ; Speck , U . ; Schild , H .
Page:199-203
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Population exposure to ionizing radiation from medical examinations in France
Scanff , P . ; Donadieu , J . ; Pirard , P . ; Aubert , B .
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Trends in compressed breast thickness and radiation dose in breast screening mammography
Robinson , M . ; Kotre , C . J .
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An investigation into the effects of suboptimal viewing conditions in screen - film mammography
Robson , K . J
Page:219-231
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The Radiation Injury Severity Classification system : an early injury assessment tool for the frontline health - care provider
Kuniak , M . ; Azizova , T . ; Day , R . ; Wald , N . ; Suyama , J . ; Zhang , A . ; Sumina , M . V . ; Pesternikova , V . S . ; Vasilenko , E . ; Soaita , A
Page:232-243
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Complications after lung radiofrequency ablation : risk factors for lung inflammation
Nomura , M . ; Yamakado , K . ; Nomoto , Y . ; Nakatsuka , A . ; Ii , N . ; Takaki , H ; Yamashita , Y . ; Takeda , K .
Page:244-249
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A simple procedure to improve FMRIb Software Library Brain Extraction Tool performance
Fagiolo , G . ; Waldman , A . ; Hajnal , J . V .
Page:250-251
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A pictorial review of hypovolaemic shock in adults
Tarrant , A . M . ; Ryan , M . F . ; Hamilton , P . A . ; Benjaminov , O .
Page:252-257
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Stability of gadolinium chelates and their biological consequences : new data and some comments
Port , M . ; Idee , J . - M . ; Medina , C . ; Dencausse , A . ; Corot , C .
Page:258-259
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Acute chest pain in a young woman with a chronic illness
Kumar , D . S . ; Yadavali , R . P . ; Cconcepcion , L . A . ; Aniq , H .
Page:261-263
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Taylor , R . E
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Cancer surveillance based on imaging techniques in carriers of BRCA1 / 2 gene mutations : a systematic review
Bermejo - Perez , M J . ; Marquez - Calderon , S . ; Llanos - Mendez , A .
Page:172-179
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Computer - aided detection for CT colonography : incremental benefit of observer training
Taylor , S . A . ; Burling , D . ; Roddie , M . ; Honeyfield , L . ; McQuillan , J . ; Bassett , P . ; Halligan , S .
Page:180-186
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[article] [author(s)]
Clinical significance and renal haemodynamics of incidentally detected retroaortic left renal vein : assessment with venous Doppler sonography
Yagci , B . ; Tavasli , B . ; Karabulut , N . ; Kiroglu , Y .
Page:187-191
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[article] [author(s)]
Comparing two methods for assessment of perfusion - diffusion mismatch in a rodent model of ischaemic stroke : a pilot study
Chen , F . ; Liu , Q ; Wang , H . ; Suzuki , Y . ; Nagai , N . ; Yu , J . ; Marchal , G . ; Ni , Y .
Page:192-198
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[article] [author(s)]
Cell - dependent influence on the phagocytosis induced by non - ionic contrast medium injection
Bohm , I . ; Speck , U . ; Schild , H .
Page:199-203
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[article] [author(s)]
Population exposure to ionizing radiation from medical examinations in France
Scanff , P . ; Donadieu , J . ; Pirard , P . ; Aubert , B .
Page:204-213
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[article] [author(s)]
Trends in compressed breast thickness and radiation dose in breast screening mammography
Robinson , M . ; Kotre , C . J .
Page:214-218
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[article] [author(s)]
An investigation into the effects of suboptimal viewing conditions in screen - film mammography
Robson , K . J
Page:219-231
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[article] [author(s)]
The Radiation Injury Severity Classification system : an early injury assessment tool for the frontline health - care provider
Kuniak , M . ; Azizova , T . ; Day , R . ; Wald , N . ; Suyama , J . ; Zhang , A . ; Sumina , M . V . ; Pesternikova , V . S . ; Vasilenko , E . ; Soaita , A
Page:232-243
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[article] [author(s)]
Complications after lung radiofrequency ablation : risk factors for lung inflammation
Nomura , M . ; Yamakado , K . ; Nomoto , Y . ; Nakatsuka , A . ; Ii , N . ; Takaki , H ; Yamashita , Y . ; Takeda , K .
Page:244-249
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[article] [author(s)]
A simple procedure to improve FMRIb Software Library Brain Extraction Tool performance
Fagiolo , G . ; Waldman , A . ; Hajnal , J . V .
Page:250-251
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[article] [author(s)]
A pictorial review of hypovolaemic shock in adults
Tarrant , A . M . ; Ryan , M . F . ; Hamilton , P . A . ; Benjaminov , O .
Page:252-257
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[article] [author(s)]
Stability of gadolinium chelates and their biological consequences : new data and some comments
Port , M . ; Idee , J . - M . ; Medina , C . ; Dencausse , A . ; Corot , C .
Page:258-259
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[article] [author(s)]
Acute chest pain in a young woman with a chronic illness
Kumar , D . S . ; Yadavali , R . P . ; Cconcepcion , L . A . ; Aniq , H .
Page:261-263
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[article] [author(s)]
How Accurate Is CT Angiography in Evaluating Intracranial Atherosclerotic Disease?
Nguyen-Huynh, Mai N. MD; Wintermark, Max MD; English, Joey MD, PhD; Lam, Jack MD; Vittinghoff, Eric PhD; Smith, Wade S. MD, PhD; Johnston, S Claiborne MD, PhD;
Institution
How Accurate Is CT Angiography in Evaluating Intracranial Atherosclerotic Disease?
Stroke. 39(4):1184-1188, April 2008.
Abstract
Background and Purpose-: Digital subtraction angiography (DSA) is regarded as the gold standard in assessing degree of stenosis in intracranial vessels. However, it is invasive and can only be carried out at specialized centers. We sought to compare CT angiography (CTA) to DSA for detection and measurement of stenosis in large intracranial arteries.Methods-: We identified all subjects admitted with ischemic stroke or transient ischemic attack and with CTA and DSA studies of good quality completed within 30 days of each other between April 2000 and May 2006 at a single medical center. Two readers blinded to clinical information reviewed each CTA and DSA independently. Each reader located and measured stenosis of 15 prespecified large intracranial arterial segments per study at the same level of magnification. These stenotic lesions were most likely atherosclerotic in etiology. All measurements were made with Wiha digiMax 6" digital calipers. The degree of stenosis was calculated using the published method for the Warfarin-Aspirin Symptomatic Intracranial Disease study. All disagreements of greater than 10% were reviewed by a third reader who decided between the 2 prior measurements. Segments were excluded from analyses if they were judged to be congenitally hypoplastic or seen only through collaterals or cross-filling. Intraclass correlation, sensitivity, and specificity were calculated using DSA as the reference standard.Results-: Forty-one pairs of CTA and DSAs from 41 patients were reviewed. CTAs were completed within 28 days before 13 days after DSA, with a median of 1 day. A total of 475 pairs of major intracranial arterial segment were analyzed. Intraclass correlation between degree of stenosis based on CTA and DSA for all segments was 0.98 (P=0.001). CTA detected large arterial occlusion with 100% sensitivity and specificity. For detection of >=50% stenosis, CTA had 97.1% sensitivity and 99.5% specificity. To detect all lesions >=50% as determined by DSA, the cut off point on CTA appeared to be at >=30%, with a false-positive rate of 2.4%.Conclusions-: Compared to DSA, CTA has high sensitivity and specificity for detecting >=50% stenosis of large intracranial arterial segments. CTA is minimally invasive and may be a useful screening tool for intracranial arterial disease and occlusion.
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Institution
How Accurate Is CT Angiography in Evaluating Intracranial Atherosclerotic Disease?
Stroke. 39(4):1184-1188, April 2008.
Abstract
Background and Purpose-: Digital subtraction angiography (DSA) is regarded as the gold standard in assessing degree of stenosis in intracranial vessels. However, it is invasive and can only be carried out at specialized centers. We sought to compare CT angiography (CTA) to DSA for detection and measurement of stenosis in large intracranial arteries.Methods-: We identified all subjects admitted with ischemic stroke or transient ischemic attack and with CTA and DSA studies of good quality completed within 30 days of each other between April 2000 and May 2006 at a single medical center. Two readers blinded to clinical information reviewed each CTA and DSA independently. Each reader located and measured stenosis of 15 prespecified large intracranial arterial segments per study at the same level of magnification. These stenotic lesions were most likely atherosclerotic in etiology. All measurements were made with Wiha digiMax 6" digital calipers. The degree of stenosis was calculated using the published method for the Warfarin-Aspirin Symptomatic Intracranial Disease study. All disagreements of greater than 10% were reviewed by a third reader who decided between the 2 prior measurements. Segments were excluded from analyses if they were judged to be congenitally hypoplastic or seen only through collaterals or cross-filling. Intraclass correlation, sensitivity, and specificity were calculated using DSA as the reference standard.Results-: Forty-one pairs of CTA and DSAs from 41 patients were reviewed. CTAs were completed within 28 days before 13 days after DSA, with a median of 1 day. A total of 475 pairs of major intracranial arterial segment were analyzed. Intraclass correlation between degree of stenosis based on CTA and DSA for all segments was 0.98 (P=0.001). CTA detected large arterial occlusion with 100% sensitivity and specificity. For detection of >=50% stenosis, CTA had 97.1% sensitivity and 99.5% specificity. To detect all lesions >=50% as determined by DSA, the cut off point on CTA appeared to be at >=30%, with a false-positive rate of 2.4%.Conclusions-: Compared to DSA, CTA has high sensitivity and specificity for detecting >=50% stenosis of large intracranial arterial segments. CTA is minimally invasive and may be a useful screening tool for intracranial arterial disease and occlusion.
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Thunderclap headache and CT and lumbar puncture
Davis, Stephen M. MD, FRACP; Donnan, Geoffrey A. MD, FRACP;
From the Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia.
Thunderclap Headache: CT and Lumbar Puncture But Occasionally More!
Stroke. 39(4):1396, April 2008.
Moussouttas, Michael MD; Mayer, Stephan A. MD;
Institution
From the Department of Neurology (M.M.), Thomas Jefferson University Hospital, Philadelphia, Pa; and the Departments of Neurology and Neurosurgery (S.A.M.), Columbia University, New York, NY.
Thunderclap Headache With Normal CT and Lumbar Puncture: Further Investigations Are Unnecessary: Against
Stroke. 39(4):1394-1395, April 2008.
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From the Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia.
Thunderclap Headache: CT and Lumbar Puncture But Occasionally More!
Stroke. 39(4):1396, April 2008.
Moussouttas, Michael MD; Mayer, Stephan A. MD;
Institution
From the Department of Neurology (M.M.), Thomas Jefferson University Hospital, Philadelphia, Pa; and the Departments of Neurology and Neurosurgery (S.A.M.), Columbia University, New York, NY.
Thunderclap Headache With Normal CT and Lumbar Puncture: Further Investigations Are Unnecessary: Against
Stroke. 39(4):1394-1395, April 2008.
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Better radiology in the BMJ
BMJ 2008;336:628 (22 March)
Editorials
Better radiology in the BMJ
Despite improvements already made, we still have more to do
The first 150 words of the full text of this article appear below.
The BMJ has a history of being self critical. In 1976 we published a review of 62 BMJ research papers, which showed that 32 of them had statistical faults and five had made claims in their abstracts that were not supported by their results.1 These mistakes occurred because at that time statisticians were not commonly involved in research papers, either as authors or peer reviewers.2 To improve the reliability of published research, the BMJ was one of the first medical journals to introduce statistical review of all published research papers, and the role of statisticians in peer review continues to be of interest today.3 We now plan to do the same for radiology, using external advisors and radiologists to guide us and improve our content.
Twenty years ago radiology was mainly plain radiographs viewed on light boxes. Now digital technology means that multislice computed tomography, magnetic resonance imaging, Doppler ultrasound, . . . [Full text of this article]
Editorials
Better radiology in the BMJ
Despite improvements already made, we still have more to do
The first 150 words of the full text of this article appear below.
The BMJ has a history of being self critical. In 1976 we published a review of 62 BMJ research papers, which showed that 32 of them had statistical faults and five had made claims in their abstracts that were not supported by their results.1 These mistakes occurred because at that time statisticians were not commonly involved in research papers, either as authors or peer reviewers.2 To improve the reliability of published research, the BMJ was one of the first medical journals to introduce statistical review of all published research papers, and the role of statisticians in peer review continues to be of interest today.3 We now plan to do the same for radiology, using external advisors and radiologists to guide us and improve our content.
Twenty years ago radiology was mainly plain radiographs viewed on light boxes. Now digital technology means that multislice computed tomography, magnetic resonance imaging, Doppler ultrasound, . . . [Full text of this article]
Radiologic Clinics of North America Vol 46, No 1 2008
This title is available in the Health Sciences Library
CT of the Urinary Tract: Turning Attention to Radiation Dose
Mannudeep K. Kalra, Sarabjeet Singh, Michael A. Blake
pages 1-9
Magnetic Resonance Nephrourography: Current and Developing Techniques
Bobby Kalb, John R. Votaw, Khalil Salman, Puneet Sharma, Diego R. Martin
pages 11-24
Nuclear Imaging in the Genitourinary Tract: Recent Advances and Future Directions
Wei He, Alan J. Fischman
pages 25-43
Interventional Uroradiology
Raul N. Uppot, Debra A. Gervais, Peter R. Mueller
pages 45-64
Imaging Techniques for Adrenal Lesion Characterization
Michael A. Blake, Nagaraj-Setty Holalkere, Giles W. Boland
pages 65-78
Imaging of the Renal Donor and Transplant Recipient
Anand K. Singh, Dushyant V. Sahani
pages 79-93
Cross-sectional Imaging Evaluation of Renal Masses
Srinivasa R. Prasad, Neal C. Dalrymple, Venkateswar R. Surabhi
pages 95-111
Imaging of Hematuria
Owen J. O'Connor, Sean E. McSweeney, Michael M. Maher
pages 113-132
Imaging the Male Reproductive Tract: Current Trends and Future Directions
Jurgen J. Fütterer, Stijn W.T.P.J. Heijmink, J. Roan Spermon
pages 133-147
MR Imaging–Guided Interventions in the Genitourinary Tract: An Evolving Concept
Fiona M. Fennessy, Kemal Tuncali, Paul R. Morrison, Clare M. Tempany
pages 149-166
CT of the Urinary Tract: Turning Attention to Radiation Dose
Mannudeep K. Kalra, Sarabjeet Singh, Michael A. Blake
pages 1-9
Magnetic Resonance Nephrourography: Current and Developing Techniques
Bobby Kalb, John R. Votaw, Khalil Salman, Puneet Sharma, Diego R. Martin
pages 11-24
Nuclear Imaging in the Genitourinary Tract: Recent Advances and Future Directions
Wei He, Alan J. Fischman
pages 25-43
Interventional Uroradiology
Raul N. Uppot, Debra A. Gervais, Peter R. Mueller
pages 45-64
Imaging Techniques for Adrenal Lesion Characterization
Michael A. Blake, Nagaraj-Setty Holalkere, Giles W. Boland
pages 65-78
Imaging of the Renal Donor and Transplant Recipient
Anand K. Singh, Dushyant V. Sahani
pages 79-93
Cross-sectional Imaging Evaluation of Renal Masses
Srinivasa R. Prasad, Neal C. Dalrymple, Venkateswar R. Surabhi
pages 95-111
Imaging of Hematuria
Owen J. O'Connor, Sean E. McSweeney, Michael M. Maher
pages 113-132
Imaging the Male Reproductive Tract: Current Trends and Future Directions
Jurgen J. Fütterer, Stijn W.T.P.J. Heijmink, J. Roan Spermon
pages 133-147
MR Imaging–Guided Interventions in the Genitourinary Tract: An Evolving Concept
Fiona M. Fennessy, Kemal Tuncali, Paul R. Morrison, Clare M. Tempany
pages 149-166
Silicone breast implants and MRI screening for rupture
McCarthy, Colleen M. M.D., M.S.; Pusic, Andrea L. M.D., M.H.S.; Kerrigan, Carolyn L. M.D.
Silicone Breast Implants and Magnetic Resonance Imaging Screening for Rupture: Do U.S. Food and Drug Administration Recommendations Reflect an Evidence-Based Practice Approach to Patient Care?
Plastic & Reconstructive Surgery. 121(4):1127-1134, April 2008.
Abstract
Summary: Regular magnetic resonance imaging has been recommended for the purpose of screening for silicone implant rupture. However, when its use as a screening test is critically examined, it appears that evidence to support its use is lacking. For example, there is no conclusive evidence at this time to show that using magnetic resonance imaging screening of asymptomatic women leads to a reduction in patient morbidity. Furthermore, based on existing data, it is unclear whether the potential benefits of screening magnetic resonance imaging tests outweigh the risks and potential costs for the patient. In the face of this uncertainty, shared medical decision making can be recommended. For different women, underlying beliefs and values will sway decision making in different directions. By engaging a woman in the process of shared medical decision making, however, the plastic surgeon and her or his patients can make a mutually agreeable choice that reflects the patient's individual values and health preferences.
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Silicone Breast Implants and Magnetic Resonance Imaging Screening for Rupture: Do U.S. Food and Drug Administration Recommendations Reflect an Evidence-Based Practice Approach to Patient Care?
Plastic & Reconstructive Surgery. 121(4):1127-1134, April 2008.
Abstract
Summary: Regular magnetic resonance imaging has been recommended for the purpose of screening for silicone implant rupture. However, when its use as a screening test is critically examined, it appears that evidence to support its use is lacking. For example, there is no conclusive evidence at this time to show that using magnetic resonance imaging screening of asymptomatic women leads to a reduction in patient morbidity. Furthermore, based on existing data, it is unclear whether the potential benefits of screening magnetic resonance imaging tests outweigh the risks and potential costs for the patient. In the face of this uncertainty, shared medical decision making can be recommended. For different women, underlying beliefs and values will sway decision making in different directions. By engaging a woman in the process of shared medical decision making, however, the plastic surgeon and her or his patients can make a mutually agreeable choice that reflects the patient's individual values and health preferences.
Link to journal
Functional MRI correlates of lower limb function...
Enzinger, Christian MD; Johansen-Berg, Heidi ; Dawes, Helen PhD; Bogdanovic, Marko et al
Functional MRI Correlates of Lower Limb Function in Stroke Victims With Gait Impairment
Stroke.
Status
Publish Ahead of Print, published online before print, 13 March 2008
Abstract
Background and Purpose-: Although knowledge concerning cortical reorganization related to upper limb function after ischemic stroke is growing, similar data for lower limb movements are limited. Previous studies with hand movement suggested increasing recruitment of motor areas in the unlesioned hemisphere with increasing disability. We used ankle movement as a lower limb analog to test for similarities and differences in recovery patterns.Methods-: Eighteen subjects were selected with chronic residual gait impairment due to a single subcortical ischemic stroke. Functional MRI scans were obtained at 3.0 T during active and passive ankle dorsiflexion in the patients (8 females, 10 males; mean age, 59.9+/-13.5 years; range, 32 to 74 years) and 18 age-matched healthy control subjects.Results-: We observed substantial neocortical activity associated with foot movement both in the patients with stroke and in the healthy control subjects. Our primary finding was increased cortical activation with increasing functional impairment. The extent of activation (particularly in the primary sensorimotor cortex and the supplementary motor area of the unlesioned hemisphere) increased with disability. The changes were most prominent with the active movement task.Conclusions-: Using ankle movement, we observed increased activation in the unlesioned hemisphere associated with worse function of the paretic leg, consistent with studies on movement of paretic upper limbs. We interpret this finding as potentially adaptive recruitment of undamaged ipsilateral motor control pathways from the supplementary motor area and (possibly maladaptive) disinhibition of the ipsilateral sensorimotor cortex.
Link to journal
Functional MRI Correlates of Lower Limb Function in Stroke Victims With Gait Impairment
Stroke.
Status
Publish Ahead of Print, published online before print, 13 March 2008
Abstract
Background and Purpose-: Although knowledge concerning cortical reorganization related to upper limb function after ischemic stroke is growing, similar data for lower limb movements are limited. Previous studies with hand movement suggested increasing recruitment of motor areas in the unlesioned hemisphere with increasing disability. We used ankle movement as a lower limb analog to test for similarities and differences in recovery patterns.Methods-: Eighteen subjects were selected with chronic residual gait impairment due to a single subcortical ischemic stroke. Functional MRI scans were obtained at 3.0 T during active and passive ankle dorsiflexion in the patients (8 females, 10 males; mean age, 59.9+/-13.5 years; range, 32 to 74 years) and 18 age-matched healthy control subjects.Results-: We observed substantial neocortical activity associated with foot movement both in the patients with stroke and in the healthy control subjects. Our primary finding was increased cortical activation with increasing functional impairment. The extent of activation (particularly in the primary sensorimotor cortex and the supplementary motor area of the unlesioned hemisphere) increased with disability. The changes were most prominent with the active movement task.Conclusions-: Using ankle movement, we observed increased activation in the unlesioned hemisphere associated with worse function of the paretic leg, consistent with studies on movement of paretic upper limbs. We interpret this finding as potentially adaptive recruitment of undamaged ipsilateral motor control pathways from the supplementary motor area and (possibly maladaptive) disinhibition of the ipsilateral sensorimotor cortex.
Link to journal
Infarct volume measurements on MRI
Ay, Hakan MD; Arsava, E Murat MD; Vangel, Mark PhD; Oner, Banu MD; Zhu, Mingwang MD; Wu, Ona PhD; Singhal, Aneesh MD; Koroshetz, Walter J. MD; Sorensen, A Gregory MD;
Interexaminer Difference in Infarct Volume Measurements on MRI: A Source of Variance in Stroke Research
Stroke.
Status
Publish Ahead of Print, published online before print, 21 February 2008
Abstract
Background and Purpose-: The measurement of ischemic lesion volume on diffusion- (DWI) and perfusion-weighted MRI (PWI) is examiner dependent. We sought to quantify the variance imposed by measurement error in DWI and PWI lesion volume measurements in ischemic stroke.
Methods-: Fifty-eight consecutive patients with DWI and PWI within 12 hours of symptom onset and follow-up MRI on >= day-5 were studied. Two radiologists blinded to each other measured lesion volumes by manual outlining on each image. Interexaminer reliability was evaluated by intraclass correlation coefficients (ICC) and relative paired difference or RPD (ratio of difference between 2 measurements to their mean). The ratio of between-examiner variability to between-subject variability (variance ratio) was calculated for each imaging parameter.Results-: The correlation (ICC) between examiners ranged from 0.93 to 0.99. The median RPD was 10.0% for DWI, 14.1% for mean transit time, 18.9% for cerebral blood flow, 21.0% for cerebral blood volume, 16.8% for DWI/MTT mismatch, and 6.3% for chronic T2-weighted images. There was negative correlation between RPD and lesion volume in all but chronic T2-weighted images. The variance ratio ranged between 0.02 and 0.10.Conclusion-: Despite high correlation between volume measurements of abnormal regions on DWI and PWI by different examiners, substantial differences in individual measurements can still occur. The magnitude of variance from measurement error is primarily determined by the type of imaging and lesion volume. Minimizing this source of variance will better enable imaging to deliver on its promise of smaller sample size.
Link to journal
Interexaminer Difference in Infarct Volume Measurements on MRI: A Source of Variance in Stroke Research
Stroke.
Status
Publish Ahead of Print, published online before print, 21 February 2008
Abstract
Background and Purpose-: The measurement of ischemic lesion volume on diffusion- (DWI) and perfusion-weighted MRI (PWI) is examiner dependent. We sought to quantify the variance imposed by measurement error in DWI and PWI lesion volume measurements in ischemic stroke.
Methods-: Fifty-eight consecutive patients with DWI and PWI within 12 hours of symptom onset and follow-up MRI on >= day-5 were studied. Two radiologists blinded to each other measured lesion volumes by manual outlining on each image. Interexaminer reliability was evaluated by intraclass correlation coefficients (ICC) and relative paired difference or RPD (ratio of difference between 2 measurements to their mean). The ratio of between-examiner variability to between-subject variability (variance ratio) was calculated for each imaging parameter.Results-: The correlation (ICC) between examiners ranged from 0.93 to 0.99. The median RPD was 10.0% for DWI, 14.1% for mean transit time, 18.9% for cerebral blood flow, 21.0% for cerebral blood volume, 16.8% for DWI/MTT mismatch, and 6.3% for chronic T2-weighted images. There was negative correlation between RPD and lesion volume in all but chronic T2-weighted images. The variance ratio ranged between 0.02 and 0.10.Conclusion-: Despite high correlation between volume measurements of abnormal regions on DWI and PWI by different examiners, substantial differences in individual measurements can still occur. The magnitude of variance from measurement error is primarily determined by the type of imaging and lesion volume. Minimizing this source of variance will better enable imaging to deliver on its promise of smaller sample size.
Link to journal
American Journal of Roentgenology 2008 Volume 190 Part 3
``The Roentgen Manifestations of Unrecognized Skeletal Trauma in Infants' - A Commentary
Author(s):
Kleinman , P . K
Page:
559-560
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[article] [author(s)]
Perspective . Back to the Future
Meyers , M . A
Page:
561-564
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[article] [author(s)]
Perspective . Optimism
Burns , L . M . ; Gunderman , R . B .
Page:
565-569
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[article] [author(s)]
Original Research . MRI of Metatarsal Head Subchondral Fractures in Patients with Forefoot Pain
Torriani , M . ; Thomas , B . J . ; Bredella , M . A . ; Ouellette , H .
Page:
570-575
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[article] [author(s)]
Original Research . The Snapping Iliopsoas Tendon : New Mechanisms Using Dynamic Sonography
Deslandes , M . ; Guillin , R . ; Cardinal , E . ; Hobden , R . ; Bureau , N . J
Page:
576-581
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[article] [author(s)]
Original Research . Imaging Appearance of Diffuse Neurofibroma
Hassell , D . S . ; Bancroft , L . W . ; Kransdorf , M . J .
Page:
582-588
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[article] [author(s)]
Original Research . Sonography of the Teres Minor : A Study of Cadavers
Kim , H . M . ; Dahiya , N . ; Teefey , S . A . ; Keener , J . D . ; Yamaguchi , K
Page:
589-594
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[article] [author(s)]
Clinical Observations . Avulsion of the Medial Epicondyle After Ulnar Collateral Ligament Reconstruction : Imaging of a Rare Throwing Injury
Schwartz , M . L . ; Thornton , D . D . ; Larrison , M . C .
Page:
595-598
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[article] [author(s)]
Original Research . Anatomic Features of Metatarsal Heads That Simulate Erosive Disease : Cadaveric Study Using CT , Radiography , and Dissection with Special Emphasis on Cross - Sectional Characterization of Osseous Anatomy
Torshizy , H . ; Hughes , T . H . ; Trudell , D . ; Resnick , D .
Page:599
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[article] [author(s)]
Clinical Observations . Normal Anatomy and Strains of the Deep Musculotendinous Junction of the Proximal Rectus Femoris : MRI Features
Author(s):
Gyftopoulos , S . ; Rosenberg , Z . S . ; Schweitzer , M . E . ; Bordalo - Rodrigues , M
Page: 600
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[article] [author(s)]
Original Research . Imaging and Percutaneous Treatment of Secondarily Infected Hepatic Infarctions
Stewart , B . G . ; Gervais , D . A . ; O Neill , M . J . ; Boland , G . W . ; Hahn , P . F ; Mueller , P . R .
Page:
601-607
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[article] [author(s)]
Original Research . Chemoembolization of Hepatocellular Carcinoma : Patient Status at Presentation and Outcome over 15 Years at a Single Center
Brown , D . B . ; Chapman , W . C . ; Cook , R . D .
Page:
608-615
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[article] [author(s)]
Original Research . Imaging - Guided Percutaneous Needle Aspiration or Catheter Drainage of Neonatal Liver Abscesses : 14 - Year Experience
Lee , S . H . ; Tomlinson , C . ; Temple , M . ; Amaral , J . ; Connolly , B . L
Page:
616-622
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[article] [author(s)]
Original Research . Combined Percutaneous Radiofrequency Ablation and Ethanol Injection for Hepatocellular Carcinoma in High - Risk Locations
Wong , S . N . ; Lin , C . J . ; Lin , C . C . ; Chen , W . T . ; Cua , I . H . Y . ; Lin , S M .
Page:
623-625
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[article] [author(s)]
Original Research . Which Patients Benefit from a 3D Reconstructed Coronal View of the Uterus Added to Standard Routine 2D Pelvic Sonography ?
Benacerraf , B . R . ; Shipp , T . D . ; Bromley , B .
Page:
626-629
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Original Research . Papillary Lesions of the Breast Diagnosed at Percutaneous Sonographically Guided Biopsy : Comparison of Sonographic Features and Biopsy Methods
Shin , H . J . ; Kim , H . H . ; Kim , S . M .
Page:
630-636
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[article] [author(s)]
Original Research . Lobular Neoplasia at Percutaneous Breast Biopsy : Variables Associated with Carcinoma at Surgical Excision
Brem , R . F . ; Lechner , M . C . ; Jackman , R . J .
Page: 637-641
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Original Research . Intraoperative Loss of Core Biopsy Clips : Clinical Implications
Calhoun , K . ; Giuliano , A . ; Brenner , R . J .
Page:
642
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[article] [author(s)]
Original Research . MDCT of Acute Mild ( Nonnecrotizing ) Pancreatitis : Abdominal Complications and Fate of Fluid Collections
Lenhart , D . K . ; Balthazar , E . J .
Page:643-649
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Original Research . Reversed Diastolic Flow in the Renal Transplant : Perioperative Implications Versus Transplants Older Than I Month
Lockhart , M . E . ; Wells , C . G . ; Morgan , D . E . ; Fineberg , N . S . ; Robbin , M . L
Page: 650-655
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[article] [author(s)]
Original Research . Mucinous Appendiceal Neoplasms : Preoperative MR Staging and Classification Compared with Surgical and Histopathologic Findings
Low , R . N . ; Barone , R . M . ; Gurney , J . M . ; Muller , W . D .
Page:-665
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Original Research . Anaphylaxis to Iodinated Contrast Material : Nonallergic Hypersensitivity or IgE - Mediated Allergy ?
Trcka , J . ; Schmidt , C . ; Seitz , C . S . ; Brocker , E . B . ; Gross , G . E . ; Trautmann , A .
Page:666-670
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Pictorial Essay . Cross - Sectional Imaging of the Anal Sphincter in Fecal Incontinence
Dobben , A . C . ; Felt - Bersma , R . J . F . ; ten Kate , F . J . W . ; Stoker , J
Page:671-682
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Original Research . Benefits of Contrast - Enhanced Sonography for the Detection of Liver Lesions : Comparison with Histologic Findings
Chami , L . ; Lassau , N . ; Malka , D .
Page:683-690
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[article] [author(s)]
Technical Innovation Real - Time Temporal Maximum - Intensity - Projection Imaging of Hepatic Lesions with Contrast - Enhanced Sonography
Wilson , S . R . ; Jang , H . J . ; Kim , T . K . ; Iijima , H . ; Kamiyama , N . ; Burns , P . N .
Page:691-695
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[article] [author(s)]
Original Research . Differentiating Cirrhosis and Chronic Hepatosplenic Schistosomiasis Using MRI
Bezerra , A . S . A ; D lppolito , G . ; Caldana , R . P .
Page:696
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[article] [author(s)]
Original Research . Algorithm for Immediate Cytologic Diagnosis of Hepatic Tumors
Pupulim , L . F . ; Felce - Dachez , M . ; Paradis , V .
Page:697
Search the Web:
[article] [author(s)]
Original Research . Automated Carbon Dioxide Insufflation for CT Colonography : Effectiveness of Colonic Distention in Cancer Patients with Severe Luminal Narrowing
Kim , S . Y . ; Park , S . H . ; Choi , E . K .
Page:698-706
Search the Web:
[article] [author(s)]
Clinical Observations . Dropped Appendicolith : CT Findings and Implications for Management
Singh , A . K . ; Hahn , P . F . ; Gervais , D . ; Vijayraghavan , G . ; Mueller , P . R
Page:707-711
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Pictorial Essay . CT of Gastrointestinal Complications Associated with Hematopoietic Stem Cell Transplantation
Schmit , M . ; Bethge , W . ; Beck , R . ; Faul , C . ; Claussen , C . D . ; Horger , M
Page:712-719
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[article] [author(s)]
Original Research . Characterization of Human Renal Stones with MDCT : Advantage of Dual Energy and Limitations Due to Respiratory Motion
Grosjean , R . ; Sauer , B . ; Guerra , R . M .
Page:720-728
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Original Research . 16 - MDCT Cystoscopy in the Evaluation of Neoplasms of the Urinary Bladder
Tsampoulas , C . ; Tsili , A . C . ; Giannakis , D . ; Alamanos , Y . ; Sofikitis , N . ; Efremidis , S . C .
Page:729-735
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Original Research . Nephrogenic Systemic Fibrosis : A Report of 29 Cases
Shabana , W . M . ; Cohan , R . H . ; Ellis , J . H .
Page:736-741
Search the Web:
[article] [author(s)]
Original Research . Clinical and Economic Impact of Falsely Decreased Calcium Values Caused by Gadoversetamide Interference
Gandhi , M . J . ; Narra , V . R . ; Brown , J . J .
Page:742
Search the Web:
[article] [author(s)]
Original Research . 64 - MDCT Angiography of the Coronary Arteries : Nationwide Survey of Patient Preparation Practice
Johnson , P . T . ; Eng , J . ; Pannu , H . K . ; Fishman , E . K .
Page:743-747
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[article] [author(s)]
Original Research . Identification and Quantification of Coronary Atherosclerotic Plaques : A Comparison of 64 - MDCT and Intravascular Ultrasound
Sun , J . ; Zhang , Z . ; Lu , B .
Page:748-754
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[article] [author(s)]
Review . Screening for Lung Cancer
Ravenel , J . G . ; Costello , P . ; Silvestri , G . A .
Page:755-761
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[article] [author(s)]
Original Research . Quantitative Assessment of Air Trapping in Chronic Obstructive Pulmonary Disease Using Inspiratory and Expiratory Volumetric MDCT
Matsuoka , S . ; Kurihara , Y . ; Yagihashi , K . ; Hoshino , M . ; Watanabe , N . ; Nakajima , Y .
Page:762-769
Search the Web:
[article] [author(s)]
Original Research . MR Angiography of Lower Extremities at 3 T : Presurgical Planning of Fibular Free Flap Transfer for Facial Reconstruction
Lohan , D . G . ; Tomasian , A . ; Krishnam , M . ; Jonnala , P . ; Blackwell , K . E . ; Finn , J . P .
Page:770-776
Search the Web:
[article] [author(s)]
Original Research . Contrast Enhancement in Cardiovascular MDCT : Effect of Body Weight , Height , Body Surface Area , Body Mass Index , and Obesity
Bae , K . T . ; Seeck , B . A . ; Hildebolt , C . F .
Page:777-784
Search the Web:
[article] [author(s)]
Original Research . Thin - Slice MDCT of the Neck : Impact on Cancer Staging
Lell , M . M . ; Gmelin , C . ; Panknin , C .
Page:785-789
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[article] [author(s)]
Original Research . Diagnosis of Blunt Cerebrovascular Injuries with 16 - MDCT : Accuracy of Whole - Body MDCT Compared with Neck MDCT Angiography
Sliker , C . W . ; Shanmuganathan , K . ; Mirvis , S . E .
Page:790-799
Search the Web:
[article] [author(s)]
Original Research . Percutaneous Ethanol Injection of Hyperfunctioning Thyroid Nodules : Long - Term Follow - Up in 125 Patients
Tarantino , L . ; Francica , G . ; Sordelli , I .
Page:800-808
Search the Web:
[article] [author(s)]
Original Research . Imaging Characteristics of Atypical Teratoid - Rhabdoid Tumor in Children Compared with Medulloblastoma
Koral , K . ; Gargan , L . ; Bowers , D . C .
Page:809-814
Search the Web:
[article] [author(s)]
Pictorial Essay . Clinical Utility of Hybrid SPECT - CT in Endocrine Neoplasia
Patel , C . N . ; Chowdhury , F . U . ; Scarsbrook , A . F .
Page:815-824
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[article] [author(s)]
Computers . A Step - by - Step Solution for Embedding User - Controlled Cines into Educational Web Pages
Cornfeld , D
Page:825-825
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[article] [author(s)]
Author(s):
Kleinman , P . K
Page:
559-560
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[article] [author(s)]
Perspective . Back to the Future
Meyers , M . A
Page:
561-564
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[article] [author(s)]
Perspective . Optimism
Burns , L . M . ; Gunderman , R . B .
Page:
565-569
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[article] [author(s)]
Original Research . MRI of Metatarsal Head Subchondral Fractures in Patients with Forefoot Pain
Torriani , M . ; Thomas , B . J . ; Bredella , M . A . ; Ouellette , H .
Page:
570-575
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[article] [author(s)]
Original Research . The Snapping Iliopsoas Tendon : New Mechanisms Using Dynamic Sonography
Deslandes , M . ; Guillin , R . ; Cardinal , E . ; Hobden , R . ; Bureau , N . J
Page:
576-581
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[article] [author(s)]
Original Research . Imaging Appearance of Diffuse Neurofibroma
Hassell , D . S . ; Bancroft , L . W . ; Kransdorf , M . J .
Page:
582-588
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[article] [author(s)]
Original Research . Sonography of the Teres Minor : A Study of Cadavers
Kim , H . M . ; Dahiya , N . ; Teefey , S . A . ; Keener , J . D . ; Yamaguchi , K
Page:
589-594
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[article] [author(s)]
Clinical Observations . Avulsion of the Medial Epicondyle After Ulnar Collateral Ligament Reconstruction : Imaging of a Rare Throwing Injury
Schwartz , M . L . ; Thornton , D . D . ; Larrison , M . C .
Page:
595-598
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[article] [author(s)]
Original Research . Anatomic Features of Metatarsal Heads That Simulate Erosive Disease : Cadaveric Study Using CT , Radiography , and Dissection with Special Emphasis on Cross - Sectional Characterization of Osseous Anatomy
Torshizy , H . ; Hughes , T . H . ; Trudell , D . ; Resnick , D .
Page:599
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[article] [author(s)]
Clinical Observations . Normal Anatomy and Strains of the Deep Musculotendinous Junction of the Proximal Rectus Femoris : MRI Features
Author(s):
Gyftopoulos , S . ; Rosenberg , Z . S . ; Schweitzer , M . E . ; Bordalo - Rodrigues , M
Page: 600
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[article] [author(s)]
Original Research . Imaging and Percutaneous Treatment of Secondarily Infected Hepatic Infarctions
Stewart , B . G . ; Gervais , D . A . ; O Neill , M . J . ; Boland , G . W . ; Hahn , P . F ; Mueller , P . R .
Page:
601-607
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[article] [author(s)]
Original Research . Chemoembolization of Hepatocellular Carcinoma : Patient Status at Presentation and Outcome over 15 Years at a Single Center
Brown , D . B . ; Chapman , W . C . ; Cook , R . D .
Page:
608-615
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[article] [author(s)]
Original Research . Imaging - Guided Percutaneous Needle Aspiration or Catheter Drainage of Neonatal Liver Abscesses : 14 - Year Experience
Lee , S . H . ; Tomlinson , C . ; Temple , M . ; Amaral , J . ; Connolly , B . L
Page:
616-622
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[article] [author(s)]
Original Research . Combined Percutaneous Radiofrequency Ablation and Ethanol Injection for Hepatocellular Carcinoma in High - Risk Locations
Wong , S . N . ; Lin , C . J . ; Lin , C . C . ; Chen , W . T . ; Cua , I . H . Y . ; Lin , S M .
Page:
623-625
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[article] [author(s)]
Original Research . Which Patients Benefit from a 3D Reconstructed Coronal View of the Uterus Added to Standard Routine 2D Pelvic Sonography ?
Benacerraf , B . R . ; Shipp , T . D . ; Bromley , B .
Page:
626-629
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[article] [author(s)]
Original Research . Papillary Lesions of the Breast Diagnosed at Percutaneous Sonographically Guided Biopsy : Comparison of Sonographic Features and Biopsy Methods
Shin , H . J . ; Kim , H . H . ; Kim , S . M .
Page:
630-636
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[article] [author(s)]
Original Research . Lobular Neoplasia at Percutaneous Breast Biopsy : Variables Associated with Carcinoma at Surgical Excision
Brem , R . F . ; Lechner , M . C . ; Jackman , R . J .
Page: 637-641
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[article] [author(s)]
Original Research . Intraoperative Loss of Core Biopsy Clips : Clinical Implications
Calhoun , K . ; Giuliano , A . ; Brenner , R . J .
Page:
642
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[article] [author(s)]
Original Research . MDCT of Acute Mild ( Nonnecrotizing ) Pancreatitis : Abdominal Complications and Fate of Fluid Collections
Lenhart , D . K . ; Balthazar , E . J .
Page:643-649
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[article] [author(s)]
Original Research . Reversed Diastolic Flow in the Renal Transplant : Perioperative Implications Versus Transplants Older Than I Month
Lockhart , M . E . ; Wells , C . G . ; Morgan , D . E . ; Fineberg , N . S . ; Robbin , M . L
Page: 650-655
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[article] [author(s)]
Original Research . Mucinous Appendiceal Neoplasms : Preoperative MR Staging and Classification Compared with Surgical and Histopathologic Findings
Low , R . N . ; Barone , R . M . ; Gurney , J . M . ; Muller , W . D .
Page:-665
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[article] [author(s)]
Original Research . Anaphylaxis to Iodinated Contrast Material : Nonallergic Hypersensitivity or IgE - Mediated Allergy ?
Trcka , J . ; Schmidt , C . ; Seitz , C . S . ; Brocker , E . B . ; Gross , G . E . ; Trautmann , A .
Page:666-670
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[article] [author(s)]
Pictorial Essay . Cross - Sectional Imaging of the Anal Sphincter in Fecal Incontinence
Dobben , A . C . ; Felt - Bersma , R . J . F . ; ten Kate , F . J . W . ; Stoker , J
Page:671-682
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[article] [author(s)]
Original Research . Benefits of Contrast - Enhanced Sonography for the Detection of Liver Lesions : Comparison with Histologic Findings
Chami , L . ; Lassau , N . ; Malka , D .
Page:683-690
Search the Web:
[article] [author(s)]
Technical Innovation Real - Time Temporal Maximum - Intensity - Projection Imaging of Hepatic Lesions with Contrast - Enhanced Sonography
Wilson , S . R . ; Jang , H . J . ; Kim , T . K . ; Iijima , H . ; Kamiyama , N . ; Burns , P . N .
Page:691-695
Search the Web:
[article] [author(s)]
Original Research . Differentiating Cirrhosis and Chronic Hepatosplenic Schistosomiasis Using MRI
Bezerra , A . S . A ; D lppolito , G . ; Caldana , R . P .
Page:696
Search the Web:
[article] [author(s)]
Original Research . Algorithm for Immediate Cytologic Diagnosis of Hepatic Tumors
Pupulim , L . F . ; Felce - Dachez , M . ; Paradis , V .
Page:697
Search the Web:
[article] [author(s)]
Original Research . Automated Carbon Dioxide Insufflation for CT Colonography : Effectiveness of Colonic Distention in Cancer Patients with Severe Luminal Narrowing
Kim , S . Y . ; Park , S . H . ; Choi , E . K .
Page:698-706
Search the Web:
[article] [author(s)]
Clinical Observations . Dropped Appendicolith : CT Findings and Implications for Management
Singh , A . K . ; Hahn , P . F . ; Gervais , D . ; Vijayraghavan , G . ; Mueller , P . R
Page:707-711
Search the Web:
[article] [author(s)]
Pictorial Essay . CT of Gastrointestinal Complications Associated with Hematopoietic Stem Cell Transplantation
Schmit , M . ; Bethge , W . ; Beck , R . ; Faul , C . ; Claussen , C . D . ; Horger , M
Page:712-719
Search the Web:
[article] [author(s)]
Original Research . Characterization of Human Renal Stones with MDCT : Advantage of Dual Energy and Limitations Due to Respiratory Motion
Grosjean , R . ; Sauer , B . ; Guerra , R . M .
Page:720-728
Search the Web:
[article] [author(s)]
Original Research . 16 - MDCT Cystoscopy in the Evaluation of Neoplasms of the Urinary Bladder
Tsampoulas , C . ; Tsili , A . C . ; Giannakis , D . ; Alamanos , Y . ; Sofikitis , N . ; Efremidis , S . C .
Page:729-735
Search the Web:
[article] [author(s)]
Original Research . Nephrogenic Systemic Fibrosis : A Report of 29 Cases
Shabana , W . M . ; Cohan , R . H . ; Ellis , J . H .
Page:736-741
Search the Web:
[article] [author(s)]
Original Research . Clinical and Economic Impact of Falsely Decreased Calcium Values Caused by Gadoversetamide Interference
Gandhi , M . J . ; Narra , V . R . ; Brown , J . J .
Page:742
Search the Web:
[article] [author(s)]
Original Research . 64 - MDCT Angiography of the Coronary Arteries : Nationwide Survey of Patient Preparation Practice
Johnson , P . T . ; Eng , J . ; Pannu , H . K . ; Fishman , E . K .
Page:743-747
Search the Web:
[article] [author(s)]
Original Research . Identification and Quantification of Coronary Atherosclerotic Plaques : A Comparison of 64 - MDCT and Intravascular Ultrasound
Sun , J . ; Zhang , Z . ; Lu , B .
Page:748-754
Search the Web:
[article] [author(s)]
Review . Screening for Lung Cancer
Ravenel , J . G . ; Costello , P . ; Silvestri , G . A .
Page:755-761
Search the Web:
[article] [author(s)]
Original Research . Quantitative Assessment of Air Trapping in Chronic Obstructive Pulmonary Disease Using Inspiratory and Expiratory Volumetric MDCT
Matsuoka , S . ; Kurihara , Y . ; Yagihashi , K . ; Hoshino , M . ; Watanabe , N . ; Nakajima , Y .
Page:762-769
Search the Web:
[article] [author(s)]
Original Research . MR Angiography of Lower Extremities at 3 T : Presurgical Planning of Fibular Free Flap Transfer for Facial Reconstruction
Lohan , D . G . ; Tomasian , A . ; Krishnam , M . ; Jonnala , P . ; Blackwell , K . E . ; Finn , J . P .
Page:770-776
Search the Web:
[article] [author(s)]
Original Research . Contrast Enhancement in Cardiovascular MDCT : Effect of Body Weight , Height , Body Surface Area , Body Mass Index , and Obesity
Bae , K . T . ; Seeck , B . A . ; Hildebolt , C . F .
Page:777-784
Search the Web:
[article] [author(s)]
Original Research . Thin - Slice MDCT of the Neck : Impact on Cancer Staging
Lell , M . M . ; Gmelin , C . ; Panknin , C .
Page:785-789
Search the Web:
[article] [author(s)]
Original Research . Diagnosis of Blunt Cerebrovascular Injuries with 16 - MDCT : Accuracy of Whole - Body MDCT Compared with Neck MDCT Angiography
Sliker , C . W . ; Shanmuganathan , K . ; Mirvis , S . E .
Page:790-799
Search the Web:
[article] [author(s)]
Original Research . Percutaneous Ethanol Injection of Hyperfunctioning Thyroid Nodules : Long - Term Follow - Up in 125 Patients
Tarantino , L . ; Francica , G . ; Sordelli , I .
Page:800-808
Search the Web:
[article] [author(s)]
Original Research . Imaging Characteristics of Atypical Teratoid - Rhabdoid Tumor in Children Compared with Medulloblastoma
Koral , K . ; Gargan , L . ; Bowers , D . C .
Page:809-814
Search the Web:
[article] [author(s)]
Pictorial Essay . Clinical Utility of Hybrid SPECT - CT in Endocrine Neoplasia
Patel , C . N . ; Chowdhury , F . U . ; Scarsbrook , A . F .
Page:815-824
Search the Web:
[article] [author(s)]
Computers . A Step - by - Step Solution for Embedding User - Controlled Cines into Educational Web Pages
Cornfeld , D
Page:825-825
Search the Web:
[article] [author(s)]
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