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肛管直肠恶性黑色素瘤是一种少见的高度恶性肿瘤。我院在1981～1991年共收治8例,报告如下。 1 临床资料本组男2例,女6例,年龄25～80岁。主要症状为便血、便频、肛门坠痛,排便时肿物脱出。指诊可触及结节及肿块,最大占肠腔1/3～1/2周。3例肛旁红,肿、硬或间有软。直肠镜检2例可见肠腔内有紫黑色结节,6例无黑色,均经病理证实。入院时腹股沟淋巴结肿大5例。经腹会阴切除术2例,乙状结
Anorectal malignant melanoma is a rare and highly malignant tumor. Our hospital received 8 cases from 1981 to 1991. The report is as follows. 1 clinical data in this group of 2 males and 6 females, aged 25 to 80 years old. The main symptoms are bloody stools, frequent frequency, falling pain in the anus, and prolapse of the mass during defecation. The diagnosis refers to the nodules and masses, which account for a maximum of 1/3 to 1/2 weeks of the intestine. In 3 cases, the perianal area was red, swollen, hard or soft. Rectal microscopy showed that there were purple-black nodules in the intestine in 2 cases, and no black in 6 cases. All cases were confirmed by pathology. There were 5 cases of inguinal lymphadenopathy on admission. Abdominal perineal resection in 2 cases, sigmoid