色素膜恶性黑色素瘤在白种人较常见,在美国,白种人较黑种人发生率高20倍;黄种人则少见,如日本、中国均少见,有报告在美国白种人患病率为6/10万,黑种人为0.7/10万。郭秉宽统计占眼科住院病人的4.5/万。我院自1958年开院以来眼科住院病人共有11例脉络膜恶性黑色素瘤,即占 Melanoma malignant melanoma is more common in Caucasians, in the United States, the incidence of whites 20 times higher than blacks; yellow is rare, such as Japan, China are rare, there is a report in the United States white prevalence For 6/10, Blacks are 0.7 / 100,000. Guo Bingkang statistics accounted for 4.5 / million inpatients in ophthalmology. In our hospital since 1958, ophthalmology patients in total 11 cases of choroidal malignant melanoma, which accounted for