膀胱原发性恶性黑色素瘤极为少见，据不完全资料到1995年国外文献仅见4例报告，我科13万外检病例中仅见正例，兹报告如下。患者，女，43岁。自1975年7月开始无痛性终末血尿，伴间歇性尿急和尿频。曾2次住我院治疗。膀胱镜检查提示为膀胱静脉曲张，疗效不佳。1977年7月出现全程 Bladder primary malignant melanoma is extremely rare. According to incomplete information, only 4 cases were reported in foreign literature in 1995. Only the positive cases of the 130,000 cases examined in our department are reported here. Patient, female, 43 years old. Since July 1975 painless terminal hematuria, with intermittent urgency and urinary frequency. Had 2 times in our hospital treatment. Cystoscopy prompted bladder varicose veins, poor efficacy. July 1977 appeared full