reverse 3 sign

reverse 3 sign

Imaging A term referring to
1. Broadening of the duodenal loop with a 'puckering' around the ampulla of Vater, classically associated with pancreatic adenocarcinoma at the head of the pancreas, seen in barium studies of the upper GI tract or.
2. Indentation of the cecum, which may be seen on a plain abdominal film in acute appendicitis. Cf Figure 3 sign.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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