我院20多年收治300余例直肠恶性肿瘤.其中黑色素瘤仅2例,术后随访分别已2年、8年,仍健在,现报告于下. 病例报告例1 女性,50岁。大使坠胀及便血3月多,在外院按内痔治疗无效,于1974年9月10日入院.肛门指诊,扪及肛门上3 cm直肠前壁肿块,活检诊断为直肠腺癌,入院施行经腹会阴直肠癌根治术 In our hospital for more than 20 years, more than 300 cases of rectal cancer have been treated. Among them, only 2 cases of melanoma have been followed up for 2 years and 8 years. They are still alive and are reported below. Case Report 1 Female, 50 years old. The ambassador suffered bloating and hematochezia in March and was treated as internal hemorrhoids in an outside hospital. He was admitted to hospital on September 10, 1974. The anus was diagnosed with a 3 cm rectal anterior wall mass on the anus, and a biopsy diagnosis of rectal adenocarcinoma was performed. Perineal rectal cancer radical surgery