隐睾是男性生殖系统中最常见畸形疾病,是睾丸由腹膜后腰部经腹股沟管下降至阴囊,在下降过程之中,睾丸停留在其行径任何部位,就形成了睾丸下降异常。导致睾丸下降异常的因素有:①内分泌障碍,睾丸对促性腺激素不敏感或母体缺乏足量的促性腺激素;②解剖变异,索状引带异常或缺如;③ Cryptorchidism is the most common deformity disease in the male reproductive system, is the testes by the retroperitoneal lumbar inguinal canal down to the scrotum, in the process of descent, the testicles remain in any part of its behavior, the formation of a testicular descending anomaly. Lead to abnormalities of testicular descent factors are: ① endocrine disorders, testis is not sensitive to gonadotropin or maternal lack of sufficient gonadotropin; ② anatomical variation, cord abnormal or absent; ③