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"A clinical observation was performed on 54 cases of renal stone, admitted to the Department of Urology, College of Medicine, Chungnam National University from January 1974 to August 1980. The results were as followings; 1. There were 931 inpatients which included 186 patients of urolithiasis, and renal calculi were 19.9 % of total inpatients and 29.2% of urolithiasis. 2. Male to female ratio was 1. 3:1. and two thirds of patients of renal stones were 4th and 5th decades 3. Right to left ratio wag 1:1.2. and 61. 1% of renal stones were 1.0-2.9cm in diameter. Single stone was 60% and bilaterally was 3.7%. 4. The most common symptom was flank pain, and common uninary findings were hematuria, pyuria, proteinuria and bacteriuria, and the most common organism was E. coli. 5. The operative procedures were pyelolithotomy (22 cases), anatrophicnephrolithotomy (15cases), nephrectomy (8 cases), nephrolithotomy (4 cases), extended pyelolithotomy (4 cases). 6. The longest postoperative stay and operating time were anatrophic nephrolithotomy (23. 3 days) and extended pyelolithotomy (160 minutes) respectively. In anatrophic nephrolithotomy, transfusion of whole blood was larger than in other operative procedures, and tube drain was left in extended pyelolithotomy for longest periods (7. 7 days). 7. Postoperative complications were wound infections, residual stone, urine leakage, bleeding, and pyelonephritis, The majority of the postoperative complications were noted in anatrophic nephrolithotomy."
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