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PURPOSE: To assess the frequency with which a particular, possibly optimal work-up of noncalcified nodules less than 5.0 mm in diameter identified on initial computed tomographic (CT) images at baseline screening leads to a diagnosis of malignancy prior to first annual repeat screening, compared...
PURPOSE: To determine whether transrectal ultrasonography (US) with intrarectal water instillation can improve the depiction and accuracy of US in local staging of rectal tumors. MATERIALS AND METHODS: Between October 1999 and February 2002, 63 patients (mean age, 56 years; age range, 23–91...
The time required to perform needle localization with full-field digital (FFD) mammography was compared with the time required to perform it with screen-film (SF) mammography in 158 women with breast lesions. The time needed to position the patient before the first image was acquired, needle...
PURPOSE: To investigate the methods used at private community hospitals for delivering emergency department (ED) image interpretation services. MATERIALS AND METHODS: The authors contacted a random national sample of 114 hospitals by telephone and administered an “ED Radiology Coverage”...
PURPOSE: To evaluate endoanal magnetic resonance (MR) imaging in the assessment of anovaginal fistulas and associated findings. MATERIALS AND METHODS: In a retrospective descriptive study, two radiologists systematically reviewed MR findings in 20 patients with a clinically proved anovaginal...
PURPOSE: To assess the operating characteristics of positron emission tomography (PET) by using fluorine 18 fluorodeoxyglucose (FDG) in the diagnosis of Alzheimer disease. MATERIALS AND METHODS: Articles published between 1989 and 2003 were identified in the MEDLINE, CINAHL, and HealthSTAR...
PURPOSE: To determine the feasibility and safety of ultrasonographically (US) guided percutaneous radiofrequency (RF) ablation in the local treatment of invasive breast carcinomas 2 cm or less in greatest diameter. MATERIALS AND METHODS: RF ablation of 21 malignant lesions was performed in 20...
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