ABSTRACT
The authors analyzed 5 cases of renal carcinomas confirmed by operation and pathologically, which wereselected from all the cases of selective angiography performed recently at the department of radiology, Busan National University Hospital. The result obtained were as follows; 1. Among the 5 cases of malignant tumors of thekidney, 4 cases were renal cell carcinomas, and 1 case was transitional cell carcinoma. 2. In the sexdistribution, male to female was 3:2. And all cases were over 51 years of age. 3. All the 5 cases were discoveredat the left kidney; 1 case, in upper pole; 2 cases, in mid-portion; and 2 cases, in lower pole. 4. Clinicalmanifestations were hematuria in all 5 cases; flank pain in 4 cases. But no palpable mass was demonstrated in anycases. 5. The renal angiographic findings; Of 4 cases of renal cell carcinomas, 2 cases revealed markedhypervascularity, 1 case mild hypervascularity with multiple mulbery-like aneruysms, and 1 case avascularity withwell demarcated margin. 1 case of transitional cell carcinoma showed hypovascularity with perivascular pooling anddisplacement of the upper dorsal branch of renal artery.