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- Title
Small Depressed Cancer of the Large Bowel: Report of Three Cases.
- Authors
Yokofa, Toshihiro; Sugihara, Kenichi; Yokoyama, Tadashi; Kondo, Hitoshi; Oka, Masashi; Shirao, Kuniaki; Saito, Daizo; Yamaguchi, Hajime; Oguro, Yanao; Ishikawa, Tsutomu; Ochiai, Atsushi; Yoshida, Shigeaki
- Abstract
This report describes three patients in whom colonoscopy detected small depressed cancers (without an elevated component) that had invaded the submucosa. They represent 0.4% (3/884) of all patients with invasive cancers and 3% (3/101) of patients with suhmncosal cancers in the National Cancer Center Hospital between January 1990 and February 1994. This type of cancer may have been overlooked in the past because of its small, flat nature. A slight deformity of the lumen, a Taint color change (slightly reddish), and a loss of a vascular network pattern were important colonoscopic findings. Small depressed cancers may follow a difterent pathway to advanced cancer than polypoid cancers, although both pathways are included in the adenomacarcinoma sequence. We should be aware of these lesions in our efforts to detect coloreital cancers in the early stage.
- Subjects
COLONOSCOPY; COLON cancer; COLON examination; PATIENTS; CANCER
- Publication
American Journal of Gastroenterology (Springer Nature), 1995, Vol 90, Issue 1, p134
- ISSN
0002-9270
- Publication type
Article