Flat depressed early colon cancer--a case report.

Flat depressed early colon cancer--a case report.

A flat depressed early colon cancer (FDEC) is characterized by non-polypoid growth pattern, no association of adenomatous tissues and a tendency of even small lesions toward submucosal invasion and lymph node metastasis. It supports de novo carcinogenesis of colorectal cancer, although most colorect...

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Bibliographic Details
Main Authors: Han, D., Sohn, J. H., Cho, Y. J., Jeon, Y. C., Kim, H. J., Park, K. N., Chang, S. J.
Format: Online
Language:English
Published: Korean Academy of Medical Sciences 1997
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3054304/
Description
Summary:A flat depressed early colon cancer (FDEC) is characterized by non-polypoid growth pattern, no association of adenomatous tissues and a tendency of even small lesions toward submucosal invasion and lymph node metastasis. It supports de novo carcinogenesis of colorectal cancer, although most colorectal cancers arise in pre-existing adenoma (adenoma-carcinoma sequence). There have been few reports of small depressed cancers because of the difficulty in colonoscopic detection and the rapid development to ulcerating advanced cancers. We report a case of flat depressed early colon cancer confined to mucosa detected by indigo carmine contrast colonoscopy.

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