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"A clinical observation was made on 148 patients of urolithiasis who admitted to the Department of Urology, C. A. F. G. H. during the 3 years period from January 1977 to December 1979. The results were as follows: 1. During the period, among the total admission (779 cases) those with urolithiasis were 148 cases (19. 0%), being the most common disease of the urinary tract. 2. The great majority of urinary calculi occurred in patients between the ages of 20 and 39(83. 7%). 3. On seasonal distribution, occurrence was prevalent in summer (27. 0%) 4. Locational distributions of urinary tract stones were 89 cases (60. 1%) in the ureter, 47 cases(31. 8%) it the kidney, 9 cases (6.1%) in the bladder and 3 cases (2.0%) in the urethra. 5. In the upper urinary tract stones, mostly the patients complained of flank pain (78. 7%), gastrointestinal symptoms(47. 0%) and gross hematuria(36. 0%), on the other hand in the lower urinary tract stones the chief complaints were stoppage or weakness of urinary stream, bladder irritability and gross hematuria. 6. On urinalysis in most patients pyuria or/and microscopic hematuria were present, and positive urine culture was obtained in 10.2% of the total pyuria cases (108 cases). The identified organisms were E. coli, Proteus, Klebsiella, Pseudomonas and Staphylococcus. 7. On I. V. P. study of the upper urinary tract stones (113 kidneys), moderate hydronephrotic changes were detected it 47 kidneys (32. 8%). non-visualization in 9 kidneys (6.3%) and W. N. L. in 19 kidneys (13. 3%). 8. Managements included surgical intervention (63. 9%), expectant treatments (25. 2%), ureteral catheterization (9.7%) and transurethral litholapaxy (1.3%)."
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