本文报告我院发现的4例肛管直肠恶性黑色素瘤,均经手术和病理证实,并就其临床表现、诊断、治疗、预后等结合文献复习予以讨论 1 临床资料临床表现详见表1。 2 讨论本病罕见,文献报告约占肛管直肠恶性肿瘤的0.1%～1.9%。发病年龄分布较广,大多数发生于50～70岁。本组病人患病年龄为45～76岁。 This article reports on 4 cases of anorectal malignant melanoma found in our hospital. All cases were confirmed by surgery and pathology, and their clinical manifestations, diagnosis, treatment, and prognosis were reviewed in conjunction with literature review. 1 The clinical manifestations of clinical data are shown in Table 1. 2 Discussion This disease is rare and reported in the literature about 0.1% to 1.9% of anorectal malignancies. The onset age is more widely distributed, and most of them occur in the 50-70 years old. The patient’s age was 45 to 76 years old.