Authors reviewed 110 cases of retrograde pyelography which performed in the Dept. of Urology, Kyung Hee University Hospital during the period from January 1977 to December 1980. And the results were as follows.
1. Indication was 34 cases (31%) of nonvisualizing kidney, 31 cases (28%) of obstructive lesion, 21 cases (19%), of inadequate filling in pelviocalyceal system, 7 cases (6.5%) of impaired renal function. 6 cases (5.5%) of upper tract abnormality, l cases (0.9%) of allergy to contrast media and other 10 cases.
2. On the nonvisualizing kidney, hydronephrosis (23.5%) was most common and normal (20.5%), ureter stone (20.5%) in order.
3. For assessment of obstructive lesion, UPJ stricture (39%) was most common and ureter stone (32%), normal (16%), ureter tumor, UVJ stricture in order.
4. Inadequate filling on excretory urogram revealed normal (24%), renal tumor (19%), renal tuberculosis (9.5%) and chronic pyelonephritis scar (9.5%) etc.
5. The patients who had poor renal function or poor general condition and upper tract abnormality were well defined with retrograde pyelography and available for diagnosis and treatment.
6. Complication were seen in 2 cases (1.8%). One was acute pyelonephritis and the other was pyonephrosis.
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