The case of a 39-year-old man with a perianal verrucose carcinoma of 12 years' duration is presented. After local resection the tumor recurred several times and spread to the rectum. An abdominoperineal resection revealed neither infiltration of deeper layers nor lymph-node metastasis. Five other cases of perianal verrucose carcinoma, only two of which were described in detail, have been reported. Probably other examples have been reported under the names of "perianal florid papillomatosis,"13,23 "giant condyloma acuminatum"26 and "condyloma acuminatum with malignant transformation."9,12,27

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