"A clinical observation was made on 166 undescended testes treated in the Department of Urology, Seoul National University Hospital during the period from April, 1954 to August, 1970. Among these subjects, 9 cases were given hormonal treatments. The following are a summary of the observation. 1. The 166 cryptorchidisms occupy 0. 4 per cent of total out-patients and 0. 6 per cent of total male out-patients of the Dept. during the same period. 2. Age distribution varies from 1 to 45 with an average of 17. A majority of the patients (62 cent) are in the age group of 6 to 19. 3. Bilateral cryptorchidisms were found in 66 cases, right in 51 cases and left in 49 cases 4. Associated anomalies are: hypospadias, 6 cases; hydrocele testis, 2 cases; inguinal hernias, 3 cases; and varicocele, 1 case. 5. Nine cases of bilateral cryptorchidisms were given human chorionic gonadotropin (PUBEROGEN, Tong-a Pharm. Mfg. Co. and Tomoda Pharm. Mfg. Co.), 500 to 1,000 I.U. twice a week, in a total amount of 5,000 to 60,000 I.U. and good effects were obtained in all the 9 cases."
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