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隐睾的发生率约0.4％,而隐睾发生肿瘤的机会比正常睾丸多20倍至40倍,并以摸不到的睾丸的恶性肿瘤的发生率最高,有人认为不能摸及的隐睾比可摸及的隐睾的恶变机会大35倍。我院自1973年至1983年共收治94例睾丸肿瘤,其中9例因有隐睾或隐睾病史而恶变;单侧腹内隐睾2例,双侧腹内隐睾2例,腹股沟管隐睾1例。有1例其左侧腹股沟管隐睾未恶变而右侧腹内隐睾恶变。8岁前睾丸自动下降者1例,4至7岁行内分泌治疗后下降者1例,右侧隐睾行睾丸固定术者1例,前6例为不能摸及之隐睾。
The incidence of cryptorchidism is about 0.4%, while the incidence of cryptorchidism than normal testes 20 times to 40 times, and to touch the highest incidence of testicular malignancy, it was considered untreatable of cryptorchidism than Visible cryptorchid malignant change opportunities 35 times larger. 94 cases of testicular tumors were treated in our hospital from 1973 to 1983, of which 9 cases were malignant due to the history of cryptorchidism or cryptorchidism; 2 cases of unilateral abdominal cryptorchidism, 2 cases of bilateral intra-abdominal cryptorchidism, Testis 1 case. One case of left inguinal duct cryptorchidism did not malignant transformation of the right side of the cryptorchidism malignant transformation. 1 case of testicular descent before 8 years old, 4 to 7 years old after endocrine therapy in 1 case, right cryptorchidism testicular fixation in 1 case, the first 6 cases can not touch the cryptorchidism.