Moncef Mokni
Tunisia
Case Report
Clear Cell Adenocarcinoma of the Colon in the Setting of Attenuated Familial Polyposis: A Rare Variant of Primary Colonic Adenocarcinoma
Author(s): Nozha Mhamdi, Ahlem Bdioui, Nihed Abdessayed, Sarra Mestiri, Marwa Guerfela and Moncef MokniNozha Mhamdi, Ahlem Bdioui, Nihed Abdessayed, Sarra Mestiri, Marwa Guerfela and Moncef Mokni
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 r.. View More»
