Basal-cell carcinoma originating at the colostomy site: report of a case.

An unusual case of basal-cell carcinoma originating at the site of a long-standing colostomy is presentedmirritation and frequent ulceration around the colostomy site as a result of bad hygiene and reluctance to use colostomy appliance by the patient may have caused this tumor. A long-term cure for more than 37 years was obtained following radiation therapy for carcinoma of the rectum. Radiation therapy should be attempted for palliation or possible cure, despite adverse indications, whenever surgical excision of the carcinoma of the rectum is not possible.