Clinical observation was made on 272 cases of urolithiasis who admitted in the department of Urology, Seoul Adventist Hospita1, during the period from Jan. 1976 to Dec. 1980. The results of this observation may be summarized as follows:
1. Among total admissions (969 cases), those with urolithiasis were 272 cases (28.2%) and the sex ratio of male and female was about 9.2 : 5.9.
2. The highest incidence on age distribution showed in 20 to 40 years (61.0%).
3. On seasonal distribution, occurence was prevalent in summer (3O.8%).
4. The ureter was he most favored predilection site of urinary stone (84.9%) and upper urinary stones were almost noted (95.6%). The most common location of ureteral stones was lower third of ureter (60.2%).
5. In the aspect of number of urinary calculi, the single was in 257 cases (91.8%) and the most common size was below 1.0cm in diameter (64.8%), weight in 0.6-1.0gm (38.4%). In shape, round or oval stones were more prevalent (38.9%) and the 2 cases of staghorn calculi were noted in renal region.
6. The clinical symptoms of upper urinary tact showed flank pain in 91.8%, nausea & vomiting: etc. in 57.8%. hematuria in 47.8% but in lower urinary tract, hematuria was in 83.3%, vesica1 irritability in some cases.
7. Microscopic hematuria showed in 88.8% and pyuria in 65.3% Positive urine cultures above ever 100,000 colony/ml were obtained in 158 cases (58.O%) and most common organisms were E. coli (56.8%), staphylococcus aureus (21.5%), Proteus mirabilis (8. 2%).
8. It upper urinary stones, hydronephrosis with or without functional deterioration were detected in 91% on excretory urogram or other X-ray films, Among them, moderate hydronephrosis showed in 34.9%
9. The 142 cases of urolithiasis (58.0%) were treated with surgical intervention. Among them, ureterolithotormy was made in 40.7%.
10. On chemical analysis of urinary calculi (107 cases), calcium phosphate and calcium oxalate in mixed type was most common (39.8%). On the chemical component of urinary calculi, most prevalent types were phosphate stone (72.2%). oxalate stone (61.7%), etc.
|