title: Colitis cystica profunda.
abstract: The 50th reported case of colitis cystica profunda, with coexisting carcinoma in situ, was found. The diagnosis was made after a second excisional biopsy. The lesion was excised locally, and no recurrence has been observed one year after operation.
mesh_terms: D000328:Adult; D002278:Carcinoma in Situ / Q000150:complications* / Q000175:diagnosis; D003109:Colonic Diseases, Functional / Q000150:complications* / Q000175:diagnosis; D003110:Colonic Neoplasms / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male