The Carman meniscus sign describes the lenticular shape of barium in cases of large and flat gastric ulcers, in which the inner margin is convex toward the lumen. It usually indicates a malignant ulcerated neoplasm; in cases of benign gastric ulcers, the inner margin is usually concave toward the lumen 1.
History and etymology
Named after Russell Daniel Carman (1875-1926), an American professor of Roentgenology (born in Canada) 2.
Synonyms & Alternative Spellings
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|Carman's meniscus sign||✗|