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"A statistical observation was made on congenital anomalies of the genitourinary tract of the out-patients and in-patients in the Department of Urology, Seoul National University Hospital during the period January, 1954 through December, 1964 and the following results were obtained. I. Statistics on out-patients. 1) During the period, 17,177 cases(14,909 males and 2,268 females) seen at our out-patient Department, 262 cases (239 males, 23 females) had congenital anomalies of the genito-urinary tracts, giving a rate of 1.53%(male: 1.31 %, female: 0.22 %). 2) A gradual tendency of annual increase is observed. 3) Of 262 cases, 234 cases or 89.3 % were seen by us at the ages of 39 years or below, and 28 cases or 10.7% at the ages of 40 years or above. 4) Of the anomalies, 86 cases or 32.8 % were testicular, 77 cases or 29.3 % urethral, 54 cases or 20.6 % penile, and 1 case or 0.3% vesical, the lowest. 5) Hypospadia is observed in 31.6 % of all the anomalies, cryptorchidism in 23.6 % and congenital complete phimosis in 18.7 % II. Statistics on in-patients. 1) During the period, of 1,158 cases hospitalized (886 males, 272 females), 88 cases (76 males, 12 females) had congenital anomalies of the genito-urinary tracts, giving a rate of 7.6 % (male: 6.5%, female: 1.1%). 2) A gradual tendency of annual increase is observed. 3) Of 88 cases, 71 cases or 80.7% were seen by us at the ages of 29 years or below, and 17 cases or 19.3 % at the ages of 30 years or above. 4) Of the anomalies, 34 cases or 38.6 % were urethral, 25 cases or 28.5 % renal, 21 cases or 23.9 % testicular and 1 case or 1.1 % vesical, the lowest. 5) Hypospadia is observed in 37.5 % of all the anomalies, cryptorchidism in 23.6 % and nephroptosis in 15.9%."
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