隐睾症是男性先天性异常，包括睾丸下降不全和异位睾丸；约有3％的足月婴儿和30％的早产婴儿发生，这些患儿中大多数于出生后3—4个月内睾丸可降至阴囊，但有0．8％左右的患儿在出生后1年仍未降至阴囊。一般主张2岁时如睾丸仍未进人阴囊者需手术治疗。我们对1982年～1996年底收 Cryptorchidism is a congenital anomaly in men and includes testicular hypoplasia and ectopic testes; about 3% of full-term infants and 30% of preterm infants occur, and most of these children develop testes within 3-4 months after birth Can be reduced to the scrotum, but about 0.8% of children 1 year after birth has not yet dropped to the scrotum. Generally advocate 2 years old, such as testes have not yet entered the scrotum need surgical treatment. We closed from 1982 to the end of 1996