A clinical and radiological observation was made on 167 cases of urolithi asis among the number of 150 patients during 1 year and 6 months from June, 1981 to November, 1982 The results were sum merized as follows.1. There were 101 man and 49 women , a ratio of 2: 1. The ages of the patients ranged from 2 to 74 years, showing the highest incidence in 31 to 60 years (68.1%).2. Locational distributions of urolithiasis were 80 cases (47.9%) in the ureter, 66 cases (39.5%) in the kidney , 11 cases (6.5%) in the urethra and 10 cases (5.9%) in the bladder.3. Among the 66 cases of renal stone , pelvis stone was 55 ca5es (83.3 %) with staghorn types in 23 cases (34.8%), and calyceal stone was 11 cases (16.6%).4. The location of ureteral stone was 47.5 % in lower, 40% in upper ureter and 12.5% in mid.ureter.5. The location of urethra stone was 82% in the anterior urethra and 18% in the posterior urethra.6. The chief complain of urolithiasis was flank pain in 59.2%, gross hematuria in 20.3%, renal colic in 13.1%, dysuria in 8.3%, nausea and vomiting in 4.7%, and sudden stoppage of urine stream in 3.5%.7. On urinalysis, gross hp. maturia was found in 54.4%, pyuria in 28.7% , bacteriuria in 23.3%, microscopic hematu ria in 18.5 % and normal in 7.1 %.8. The size of urinary stone was 0.6.2.0 cm in length in 105 cases (62.8 %).9. On I.V.P. study of renal stones (66 cases), mild and moderate hydronephrotic changes were detected in 38 kindne ys (57.5 %), and the relationship between the urinary stasis and renal stone size was relatively good .10.0n I. V.P . study of ureteral stones (80 cases), mild to severe hydronephrotic changes were detected in 64 kidneys (80%).11.0n K.U.B. film , paralytic il e us was found in 25 cases (14.9 %).12.Among the urinary stones, the radiolucent stones were detected in 8 cases (4.7%).13. Urinary stones disappeared in 11 cases (6.5 %) spontaneously or medical treatmen t.이 논문은 83 년 7 월 23 일에 채택되었음.-594 -

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