en
Scientific article
Case report
English

Dome-type: a distinctive variant of colonic adenocarcinoma

Published inCase reports in pathology, vol. 2012, 284064
Publication date2012
Abstract

Introduction. Ten cases of dome-type adenocarcinoma of the colon have been reported so far. Most of them were presented as early lesions, with endoscopic and microscopic distinguishing features. Methods and Results. A raised plaque was removed from the right colon during colonoscopy in a 56-year-old man. Histopathological examination showed a cancerized adenoma invading the submucosa with several typical features of dome-type adenocarcinoma, in particular the associated prominent lymphoid tissue. Immunohistochemistry showed retention of the mismatch repair proteins MLH-1, MSH-2, MLH-6, and PMS-2. Conclusion. We report an additional case of dome-type adenocarcinoma of the colon as an early, low-risk, and microsatellite stable tumor, indicating that this particular histotype may deserve specific consideration for both classification and management.

Citation (ISO format)
PUPPA, Giacomo, MOLARO, Mariella. Dome-type: a distinctive variant of colonic adenocarcinoma. In: Case reports in pathology, 2012, vol. 2012, p. 284064. doi: 10.1155/2012/284064
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ISSN of the journal2090-679X
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