隐睾是指男孩一侧或双侧睾丸未降入阴囊,也称睾丸下降不全。大部分下降不全的睾丸可能停留在同侧腹股沟区,也有少数病例可能停留在腹膜后或腹腔内,极个别情况下可有单侧无睾。隐睾是男孩的常见病,一岁左右小儿的发病率约为2%。男性睾丸进入阴囊对于 Cryptorchidism refers to the side of the boy or both testicles did not fall into the scrotum, also known as testicular descent. Most of the missing testicles may stay in the ipsilateral groin area, there are a few cases may remain in the retroperitoneal or intraperitoneal, in rare cases may have unilateral unilateral. Cryptorchidism is a common disease in boys. The incidence of pediatric one year old is about 2%. Male testicles into the scrotum for