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我院1975年3月至1987年12月收治隐睾发生的精原细胞瘤38例，占同期睾丸精原细胞瘤35．1％（38／109），Ⅰ期18例、Ⅱ期9例、ⅡB期8例、Ⅲ期2例、Ⅳ期1例。其中腹股为隐睾精原细胞癌Ⅰ期10例，占55．5％．Ⅱ期6例占33．3％，Ⅲ、Ⅳ期各1例。腹腔隐睾精原细胞瘤Ⅰ期8例占40％，Ⅱ期11例占55％，Ⅲ期1例。放疗为主要治疗手段，少数中晚期合并用N-甲基溶肉瘤素化疗。5年及10年生存率分别为89．5％和84．2％，Ⅰ期的5、10年生存率为100％，Ⅱ期分别为88．2％和82．4％，Ⅲ期生存率为50％。
Our hospital from March 1975 to December 1987 admitted to cryptorchidism 38 cases of seminoma, accounting for the same period of testicular seminoma 35.1% (38/109), 18 cases of stage Ⅰ, 9 cases of stage Ⅱ, 8 cases of stage Ⅱ B, 2 cases of stage Ⅲ, 1 case of stage Ⅳ. Among them, 10 cases of cryptorchidism seminoma Ⅰ were found in the abdominal mass, accounting for 55.5%. 6 cases accounted for 33.3% in stage Ⅱ, and 1 case in stage Ⅲ and Ⅳ. Cesarean section of cryptorchidism seminoma in 8 cases accounted for 40%, Ⅱ 11 cases accounted for 55%, Ⅲ 1 case. Radiation therapy as the main treatment, a small number of mid-late combined with N-methyl lysozyme chemotherapy. The 5-year and 10-year survival rates were 89.5% and 84.2% respectively. The 5-year and 10-year survival rates were 100% in stage Ⅰ and 88.2% and 82.4% in stage Ⅱ, respectively. The 3-year survival rate Is 50%.