There are numerous fat-containing renal lesions, including:
- renal angiomyolipoma
- renal cell carcinoma (often has calcifications when contains macroscopic fat)
- Wilms tumor
- renal oncocytoma
- renal or perirenal lipoma/liposarcoma
Non-mass lesions may also occasionally contain fat:
- renal junction line
- fat in a renal scar
- renal sinus lipomatosis
- xanthogranulomatous pyelonephritis
Practical points
Fat-containing lesions in the perinephric space may also mimic a fat-containing renal lesion, including:
Unable to process the form. Check for errors and try again.