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BACKGROUND AND PURPOSE Prior studies have revealed little difference in residents' abilities to interpret cranial CT scans. The purpose of this study was to assess the performance of radiology residents at different levels of training in the interpretation of emergency head CT images. METHODS Radiology residents prospectively interpreted 1324 consecutive(More)
BACKGROUND AND PURPOSE Despite improvements in noninvasive imaging, some patients with contraindications to iodine-based contrast material still require angiography for the evaluation of carotid stenosis. Our aim was to assess the utility of gadopentetate dimeglumine as an intraarterial contrast agent in common carotid angiography. METHODS Twelve patients(More)
BACKGROUND AND PURPOSE Benign and malignant fractures of the spine may have similar signal intensity characteristics on conventional MR imaging sequences. This study assesses whether in-phase/opposed-phase imaging of the spine can differentiate these 2 entities. METHODS Twenty-five consecutive patients who were evaluated for suspected malignancy (lymphoma(More)
BACKGROUND AND PURPOSE Collections of extraluminal paratracheal gas may be present on CT images of the neck and cervical spine and the radiologist may question whether this is related to a pathologic process. This study is designed to demonstrate the appearance, clinical presentation, and prevalence of paratracheal air cysts, which, on CT examinations of(More)
PURPOSE The purpose of this study is to identify the prevalence, location, and size of enlarged mediastinal lymph nodes in patients with chronic congestive heart failure and to correlate the presence of lymph node enlargement with cardiac ejection fraction. METHODS Sixty-six consecutive, retrospectively identified patients underwent computer tomography(More)
We describe two cases of disseminated coccidioidomycosis that were complicated by fatal subarachnoid hemorrhage. In the first case, a left middle cerebral artery aneurysm and long-segment vasculitis occurred. In the second case, MR imaging revealed an enlarging coccidioidal granuloma at the tip of the basilar artery, and the artery subsequently ruptured.(More)
STUDY DESIGN Cervical spine computed tomograms were evaluated for neural foraminal stenosis in both the standard axial plane and the oblique reformatted plane. OBJECTIVE To assess whether oblique reformation of cervical spine computed tomograms reduces interobserver variability in the evaluation of neural foraminal stenosis. SUMMARY OF BACKGROUND DATA(More)
OBJECTIVE This study was designed to assess the accuracy of general radiologists in the interpretation via teleradiology of emergency CT scans of the head. MATERIALS AND METHODS We studied the interpretations of 716 consecutive emergency CT scans of the head by a group of 15 board-certified general radiologists practicing in the community (as opposed to(More)
The issues regarding on-call radiology are complex and contentious. Both academic and private practice radiology centers have encountered increasing workloads in recent years. Some academic centers are utilizing night float systems or other models of call to address the increasing complexity and volume of after-hours cases. Many private practice groups are(More)
PURPOSE Patients with critical carotid artery stenoses have been considered to be at high risk for carotid artery occlusion necessitating urgent or emergency endarterectomy once the stenosis is identified. Included in this group of patients are those with carotid string sign or atheromatous pseudoocclusion (APO). This review was conducted to determine the(More)