精原细胞瘤是最常见的睾丸恶性肿瘤,对放射线高度敏感,经腹高位逆行睾丸切除,术后局部和淋巴引流区的放疗以及全身化疗,其五年存活率已超过90％。材料及方法:本组患者来自我院1972～1985年收治的52例经病理证实的睾丸精原细胞瘤。发病年龄在22～58岁之间,中位年龄39岁。肿瘤原发于左侧睾丸26例,右侧24例,双侧2例。11例有隐睾史。 Seminoma is the most common testicular malignancy. It is highly sensitive to radiation, and the retrograde high-grade retrograde orchiectomy, postoperative local and lymphatic drainage radiotherapy and systemic chemotherapy have a five-year survival rate of more than 90%. Materials and Methods: In this group of patients, 52 cases of pathologically confirmed testicular seminoma were admitted from 1972 to 1985 in our hospital. The age of onset is between 22 and 58 years old and the median age is 39 years old. The tumor was originally found in 26 cases of left testis, 24 cases in the right side, and 2 cases in both sides. Eleven cases had a history of cryptorchidism.