结肠黑变病颇为罕见,而结肠癌并发结肠黑变病更为罕见。现将我院遇到的一例报告如下。男性,84岁,住院号11803。1985年8月28日因腹胀、腹泻疑患“肠炎”住入内科病房。患者平时有习惯性便秘,需要经常服轻泻药或使用开塞露方使大便通畅。住院前3天出现腹泻,每日7～8次, Colitis melanosis is quite rare, and colorectal colitis melanoma is more rare. Now I met a hospital report is as follows. Male, 84 years old, hospital number 11803. August 28, 1985 due to abdominal distension, diarrhea suspected “enteritis” admitted to the medical ward. Patients usually have a habit of constipation, regular need to take light laxatives or use Kai Cypriot side to make stool smooth. 3 days before hospitalization diarrhea, 7 to 8 times a day,