A Statistical study on Urolithiasis

Lee, Seung Ho

Abstract

A Statistical analysis was made on 275 cases of urinary calculi During the period from Jan.. 1963 to Aug. 1972, on the Department of Urology of Han-il Hospital and the results were obtained as following; 1. The incidence of urinary calculi was 3.09 % of out-patients. 2. The age of the patients ranged from 20 to 30 years in approximately 70 percent. 3. A seasonal occurrence was highest during summer on 31 percent. 4. The locational distribution of urinary calculi was 71.6 percent in ureter, 18.2 percent in kidney, 7.5 percent in bladder, 2. 7 percent in urethra. 5. The locational distribution of ureter calculi was 66 percent in lower, 22 percent in middle and 12 percent in upper portion. 6. In a number of urinary calculi, 89. 8 percent was single and 5.8 percent was double and 4.4 % was more than 2. 7. The ureterolithotomy was performed on 74 of 197cases requiring surgical intervention. Cystoscopic manipulation (Spontaneous Expelled) and conservative treatment were 120 cases of 197 cases. Other manner on 3 cases. 8. The results of qualitative analysis of 240 urinary calculi showed cal. Phosphate + oxalate in 53.7 percent, Cal phosphate in 13.7 percent, Calcium phosphate + ammonate in 7.5 percent, Ca phosphate +carbonate in 7.1 percent, Ca carbonate in 5.O percent. Ca oxalate in' 4.2 percent. etc.