an examination was done on 28 patients with renal failure , 20 with unilateral hydronephrosis , 8 with multicystic kidneys , 3 with hypoplastic or chronically infected kidneys , and single examples of renal vein thrombosis , renal artery occlusion , xanthogranulomatous pyonephrosis with perinephric abscess , trauma and tumor invading the whole kidney .
C3714581
multicystic kidneys
C0022646
kidneys