A Strange Polyp in the Sigmoid Colon
A 64-year-old man presented with large colon polyp detected by screening colonoscopy. The colonoscopy showed a 20-mm pedunculated polyp with a thick and bulging stalk in the sigmoid colon (Figure A). Endoscopic ultrasonography revealed that the stalk consisted of a low echoic structure in the submucosa, considering of a cystic component (Figure B, arrows). Although the polyp was suspected of an invasive cancer, biopsies from the polyp head revealed tubular adenoma. Endoscopic resection was performed for pathological diagnosis and local treatment at the patient ’s request.
Source: Clinical Gastroenterology and Hepatology - Category: Gastroenterology Authors: Yasuhiko Hamada, Kyosuke Tanaka Tags: Electronic Image of the Month Source Type: research
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