[A case of multilocular cystic renal cell carcinoma diagnosed by pharmacoangiography]

A case of multilocular cystic renal cell carcinoma in a 62-year-old man was reported. He was admitted with complaint of asymptomatic gross hematuria. Abdominal ultrasonography and CT scan revealed multilocular cystic mass at the lower pole of the right kidney. Pharmacoangiography demonstrated tumor stain in the mass clearly. Radical nephrectomy was performed and histological diagnosis was multilocular cystic renal cell carcinoma; cystic type, clear cell subtype, G1 pT2b pV0 pN0. It is relatively difficult to diagnose multilocular cystic renal cell carcinoma but pharmacoangiography was very effective for diagnosis. Renal cell carcinoma related multilocular cyst were relatively rare. Eighty-nine cases reported in Japanese literatures were discussed statistically.