Kaye V, Isaacson C
J Urol. 1980 Jan;123(1):51-4. doi: 10.1016/s0022-5347(17)55777-8.
A 10-year study of genitourinary cancer in black urban male subjects in South Africa shows that all tumors of the genitourinary tract are rare except for nephroblastoma, which has a similar incidence to other population groups throughout the world. Carcinoma of the bladder is rare despite the endemicity of Bilharzia and, although carcinoma of the prostate is not infrequent in patients up to the seventh decade, after that the incidence is lower than in other population groups in which the rate increases steeply. In accord with other black groups throughout the world tumors of the testis are excessively rare. The comparative infrequency of carcinoma of the penis is ascribed to the relatively high rate of circumcision.
一项针对南非城市黑人男性生殖泌尿系统癌症的10年研究表明，除肾母细胞瘤外，所有泌尿生殖道肿瘤都很罕见，肾母细胞瘤的发病率与世界其他人群相似。尽管存在血吸虫病地方病，但膀胱癌仍然罕见，而且，虽然前列腺癌在70岁以下患者中并不少见，但此后发病率低于其他发病率急剧上升的人群。与世界各地的其他黑人群体一样，睾丸肿瘤极为罕见。阴茎癌相对少见归因于包皮环切术的比例较高。
