Presentation
Anaemia.
Patient Data
Age: 70 years
Gender: Male
From the case:
Renal oncocytoma (large)
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Large mass centred on the upper pole of the right kidney with a low attenuation central stellate scar. No calcification.
Normal left kidney.
Simple hepatic cysts. Colonic diverticulosis.
No lymphadenopathy.
Case Discussion
A nephrectomy was undertaken for this large renal mass.
It was a renal oncocytoma on the surgical pathology specimen.
This typically has a central stellate scar, however the appearances are very similar to the central necrosis observed in many renal cell carcinomas.