quarter moon sign

A descriptive term for pooled barium which may be seen in an upper 'GI' series, a finding typical of benign gastric ulcers, which corresponds to an overhanging fold of mucosa surrounding the ulcer mouth
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quarter moon sign

Radiology A descriptor for pooled barium seen in an upper 'GI' series, a finding typical of benign gastric ulcers, which corresponds to an overhanging fold of mucosa surrounding the ulcer mouth. See Meniscus sign of Carman.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.