A clinical observation was made on 402 excretory urographies of patients who visited to the Dept. of Urology, College of Medicine, Hanyang University, during the period from January 1973 to December 1975. The results were as follows;
1) Age distribution showed that 129 cases (32.1%) were in 31-40 years, 120 cases (29.9%) in 41-50. Regarding the sex, 276 cases were male and 126 cases were female.
2) The clinical symptoms showed flank pain in 57.2%, bladder irritation symptoms; 42.5%, hematuria; 38.3%.
3) In urinalysis, hematuria was observed in 64.2%, pyuria in 50.3% and proteinuria in 42.8%
4) Of 402 excretory urographies, 254 cases showed abnormal findings and 148 cases showed normal findings, urolithiasis was found in 126 cases, tuberculosis in 52 cases and tumor in 18 cases.
5) Hydronephrosis or delayed excretion was observed in 90.5% of urolithiasis patient. Among patients of genitourinary tuberculosis, non visualized kidney was found in 29.6%, hydronephrosis or delayed excretion in 26.9%, only calyceal change in 36.5%.
6) The side reaction to contrast media was observed in the 34 cases(8. 5%).
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