A Clinical Observation on Urinary Lithiasis

So, Jin Chang; Choi, Il Yup

Abstract

A clinical observation was made on 150 patients of urolithiasis who admitted to the Department of Urology, National Seoul Hospital during the 5 years period from January, 1976 to December. 1980. The results were as follows; 1. The incidence of the patients with urolithiasis was 29.2% of the in-patients (513 cases) and male to female ratio was 2.75 : 1. 2. The great majority of urinary calculi occurred it patients between the ages of 21 and 40 (64.7%). 3. A seasonal occurrence was highest during summer on 34.0%. 4. The locational distribution of urinary calculi were 59.4% in the ureter, 28.8% in the kidney, 9.3 % in the bladder, and 3.3% in the urethra. 5. The most favored predilection site of ureteral stone was lower third in 57.3% of all cases. 6. The pyuria was showed in 66.7% and microscopic hematuria was revealed in 54.0%. 7. The clinical symptoms of upper urinary tract lithiasis showed flank pain in 82.4%, hematuria in 32.1%. nausea and vomiting in 25.2%, but, in lower urinary tract, frequency was 84.2%. hematuria and painful urination were each 63.2%. 8. The most surgical intervention was ureterolithotomy in 25.3%. 9. The results of chemical analysis of 76 urinary calculi showed the mixed type of calcium phosphate and calcium oxalate in 38.2% (29 cases), calcium phosphate in 18.4% (14 cases), calcium oxalate in 15.8% (12 cases), the mixed type of calcium phosphate and ammonium phosphate in 11.8% (9 cases) and calcium carbonate in 5.3% (1 cases). The major component of urinary calculi was calcium-phosphate oxalate.