Renal cell carcinoma

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain


Work up for hematuria.

Patient Data

Age: 45 years
Gender: Female

A 35 mm mass is seen in the lower pole of right kidney. The neoplasm has a similar density to normal renal parenchyma on non enhanced CT scan. After IV contrast media injection, the attenuation value increased from 31 HU to 102 HU. Nephrographic phase CT scan shows that the mass enhances less than normal renal parenchyma. 

An 8 mm cyst is present at segment VIII of the liver.

An IUD is present within the uterine cavity in appropriate station. 

Case Discussion

The patient underwent right partial nephrectomy and histopathologic evaluation confirms renal cell carcinoma (clear cell subtype).

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