Flat adenoma and flat mucosal carcinoma (IIb type)--a new precursor of colorectal carcinoma? Report of two cases
- PMID: 3349880
- DOI: 10.1007/BF02552553
Flat adenoma and flat mucosal carcinoma (IIb type)--a new precursor of colorectal carcinoma? Report of two cases
Abstract
Two flat adenomas and a flat mucosal carcinoma of the colon were reported in patients with synchronous and metachronous colonic carcinomas. These lesions were almost flat and were not detected by preoperative endoscopic examinations. Colonoscopists should be aware of the presence of flat adenomas, which can be easily missed, and recognize them as lesions that play an important role in the "adenoma-carcinoma sequence."
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