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In a retrospective study comparing ultrasonography and endoscopic retrograde cholangiopancreatograms (ERCP) of the pancreas we found ultrasound 93.8 per cent accurate and ERCP 62.5 per cent accurate in detecting pancreatic pathology. Thus, sonography provides a safe screening procedure and ERCP...
Different types of reverberations which may cause confusing artifacts in echocardiograms are described. Reverberations between the targets may result in identifiable complex echo patterns. An echocardiogram with reverberating echoes is presented. Several experimental studies were done to explain...
Continuous raster scanning can improve avdominal ′B scan image resolution and decrease the time required for scanning. Rapid, serial, single‐sweep scans are performed at 3 to 8 mm intervals during suspended respiration. This technique markedly reduces organ distortion by respiratory and vascular...
Standard roentgenographic criteria for anterior‐posterior (AP) displacement of the kidney may not reveal small, uniformly distributed, perirenal masses. Ultrasound, on the other hand, is an axial display and thus is quite sensitive to such changes. A case of ruptured retrocecal appendix is...
Radiation therapy is useful in the palliative treatment of large, unresectable abdominal and pelvic malignancies. The purpose of this study is to evaluate the effectiveness of B mode ultrasound scanning as an adjunctin radiation treatment planning of these patients. Fifty‐one patients with large...
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