睾丸恶性肿瘤是15～40岁男性中常见的致命性恶性肿瘤之一(表Ⅰ)。各种族该年龄组的男性平均年发病率为3.1/100,000,约占25～34岁年龄组中所有癌症死亡的11.4%。睾丸恶性肿瘤约占男性所有恶性癌的1%,占男性所有致命性肿瘤的0.6%。出生时可能发生的睾丸恶性肿瘤占0.16%,而女性乳房癌占5.5%,肺癌占2.5%。白色人种比有色人种多近三倍。睾丸恶性肿瘤对这些青年人的社会、经济、精神状态的影响很大。毫无疑问,本类癌瘤的流行没有得到足够的重视,缺乏有关知识的普及工作。不幸的是,很多病 Testicular malignancy is one of the most common malignant tumors in men aged 15 to 40 years (Table I). The average annual incidence of males in this age group was 3.1/100,000, accounting for approximately 11.4% of all cancer deaths in the 25 to 34 age group. Testicular malignancy accounts for about 1% of all malignant cancers in men and 0.6% of all fatal tumors in men. The incidence of testicular malignancy at birth is 0.16%, while women’s breast cancer accounts for 5.5% and lung cancer accounts for 2.5%. White people are nearly three times more colorful than colored people. Testicular malignant tumors have a great influence on the social, economic, and mental status of these young people. There is no doubt that the prevalence of this type of cancer has not received sufficient attention and there is a lack of knowledge of the popularization work. Unfortunately, many diseases