A clinical observation was made on 15 patients of renal pelvis tumors during
the period from 1965 to 1980 in the Department of Urology, Seoul National University Hospital.
The results were as follows:
1. The patients ranged in age from 35 to 76 years (mean age 54.4 years) with the highest incidence during the sixth decade (47%)
2. There were 13 men and 2 women, for a ratio of 6.5 : 1.
3. The right kidney was more involved (9 cases) than left (6 cases).
4. The most frequent symptom ms and signs were hematuria in 86%, flank pain in 47%. weight loss in 40% and palpable mass in 13%.
5. The IVP findings are a filling defect (47%), non-visualization (33%), renal mass (13%) and hydronephrosis (6%) in orders.
A filling defect was demonstrated on the retrograde pyelography in 10 cases (67%) and obstruction was noted in 2 cases (13%).
6. The pelvis tumors were staged into 4 Stage I were 4 cases (27%), stage II were 2 cases (13%), stage II were 4 cases (27%) and stage IV were 5 cases (33%).
7. 4 patients (27%) had associated bladder tumors.
8. The type of operation was nephroureterctomy (7 cases), nephrectomy (7 cases) and ureterectomy (1 case) and open biopsy (1 cases).
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