alexa Clear Cell Adenocarcinoma of the Colon in the Setting of Attenuated Familial Polyposis: A Rare Variant of Primary Colonic Adenocarcinoma | OMICS International | Abstract
ISSN 2469-9853

Journal of Next Generation Sequencing & Applications
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Case Report

Clear Cell Adenocarcinoma of the Colon in the Setting of Attenuated Familial Polyposis: A Rare Variant of Primary Colonic Adenocarcinoma

Nozha Mhamdi1,2, Ahlem Bdioui1,2, Nihed Abdessayed1,2*, Sarra Mestiri1, Marwa Guerfela1,2 and Moncef Mokni1,2

1Department of Pathology, Farhat Hached Hospital, Sousse, Tunisia

2Research Lab: Transfer in Technology in Anatomic Pathology, Tunisia

3Department of Surgery, Farhat Hached Hospital, Sousse, Tunisia

*Corresponding Author:
Nihed Abdessayed
Department of Pathology
Farhat Hached Hospital, Sousse
Street Farhat Hached, 4000 Sousse, Tunisia
Tel: +21652688551
E-mail: [email protected]

Received date: February 22, 2017; Accepted date: March 29, 2017; Published date: March 31, 2017

Citation: Mhamdi N, Bdioui A, Abdessayed N, Mestiri S, Guerfela M, et al. (2017) Clear Cell Adenocarcinoma of the Colon in the Setting of Attenuated Familial Polyposis: A Rare Variant of Primary Colonic Adenocarcinoma . Next Generat Sequenc & Applic 4:143. doi: 10.4172/2469-9853.1000143

Copyright: © 2017 Mhamdi N, et al. This is an open-access article distributed under the terms of the creative commons attribution license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Clear cell adenocarcinoma of the colon has been described rarely in the literature. It affects more commonly elderly men and usually appears in the left side of the colon. A 52-year-old male with a past medical history of attenuated FAP, who was diagnosed during a routine colonoscopy with bifocal tumor associated to 2 polyps of the transverse colon. Physical exam was normal. Laboratory data was unremarkable. A total colectomy with ileo-rectal anastomosis was performed. Gross examination of surgical specimen revealed 3 tumors and 6 pedicaulated polyps. Histopathology analysis of both coecal tumors conclude to an intestinal type adenocarcinoma. However, for the third one located in the left colon was histologically different displaying clear cell features. The later showed at immunohistochemistry study a positive staining for CK20, CDX2, while it was negative for CK 7 and CD 10. These results confirmed the clear cell variant of the adenocarcinoma. Clear cell adenocarcinomas usually arises from kidneys and Mûllerian organs. Colorectal occurrence is rare especially in the setting of attenuated adenomatous polyposis. More research and information about this malignancy is needed, especially in regard to prognosis and in order to provide the best treatment option.

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