Renal complex cyst - Bosniak category IV

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Hematuria.

Patient Data

Age: 50 years
Gender: Male

A 56×42mm partially exophytic thick walled cystic lesion with thick internal septations and enhancing solid component is noted at mid portion of right kidney. There are no sign of local invasion to adjacent structures, No vascular extension and no regional lymphadenopathy. 
 

Case Discussion

Right renal cystic mass compatible with Bosniak category 4. (Path proven renal cell carcinoma)

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