患者,男,9岁。以右侧睾丸进行性肿大个月入院。查体:右侧睾丸肿大明显,约5.0×0.4cm~2大小,表面光滑,质硬,活动度尚好,无触压痛。透光试验阴性。左侧正常。手术治疗:术中见睾丸鞘膜与肉膜粘连,睾丸与附睾正常,但较同龄儿略小,肿瘤与精索紧密粘连,约 Patient, male, 9 years old. The right side of the testicle was progressively swollen and admitted to the hospital. Physical examination: The right side of the testicle swollen, about 5.0 × 0.4cm ~ 2 size, smooth surface, hard quality, activity is still good, no touch tenderness. The light transmission test was negative. The left side is normal. Surgical treatment: During the operation, the adhesion of the testicular sheath to the meat membrane was observed. The testis and epididymis were normal, but slightly smaller than those of the same age. The tumor was closely associated with the spermatic cord.