Complex renal cyst (Bosniak III)

Case contributed by Eugen Divjak
Diagnosis certain

Presentation

MDCT performed as part of back pain work-up.

Patient Data

Age: 65
Gender: Female

In the interpolar left kidney, a mass with heterogeneous postcontrast enhancement is found. This would be a Bosniak III complex renal cyst and odds are that this represents renal cell carcinoma.

There are no signs of renal vein or inferior vena cava involvement.

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