肛囲にPaget現象を伴う肛門管癌の1例

概要

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A 70-years old man referred to our hospital complining of peni anal nodule was diagnosed as having an anal canal cancer.He had underwent transanal tumorectomy involving the skin lesion. The histological findings revealed that the tumor was poor-differenciated adenocarcinoma and pagetoid cells were found in the anal epidermis adjacent to the tumor. Pagetoidcells and anal canal tumor also stained positive for PAS. CEA. Alcian blue and cytokeratin20. This case was suspected of the intraepidermal invasion, socalled pagetoid spread, followed by anorectal carcinoma.