According to the position and slippage of these testes,undescended testis was classified as: cryptorchidism (187),gliding testis (67),testis of high scrotal position (15),retractile testis (15) and ectopic testis (11).

• 根据睾丸的位置及其滑动情况,下降异常的睾丸可分为隐睾(187个)、滑行睾丸(67个)、阴囊高位睾丸(15个)、回缩睾丸(15个)和异位睾丸(11个)。