The Statistical and Clinical Observation of Urinary Lithiasis

Lim, Byeng Yoon

Abstract

A clinical study was made on 98 cases of urinary calculi among the total number of 6061 out patients during the 4 years from January 1967 to December 1970, and safely reserved the specimens during the same period in our department, were analyzed by a chemical method. The results were as following; 1. The incidence of urinary calculi was 1. 65%. 2. The age of the patients ranged from 20 to 30 years in approximately three fourth of all cases. 3. The location of the urinary calculi was in the ureter in 52.07%, kidney; 20.41%, bladder 24.46% and urethra; 3.06% in that order. 4. The most favored ureteral stone was lower third of ureter in approximately 54.12% of all case 5. In the number of urinary calculi in each location 89.79 % was single. 6. The most favored season of urinary calculi was summer(38. 18%). 7. The clinical symptoms of upper urinary tract calculi showed flank pain in 92.95%, hematuria; 49. 95%, frequent urination; 9.8%, and painful urination; 12. 0% as well as lower urinary tract, painful urination; 100%, frequent urination; 66.67% hematuria; 33.33%, and suprapubic discomfort; 37. 03%. 8. Ureterolithotomy was performed on 33 cases among the 70 cases requiring surgical intervention 9. The results of analysis of 98 cases urinary calculi showed a mixed type of calcium phosphate and calcium oxalate in 47.96% of the cases. The major component of urinary calculi was calcium phosphate oxalate.