Renal angiomyolipoma

Case contributed by Dr Abdulmajid Bawazeer

Presentation

The patient presented with right loin pain with no hematuria.

Patient Data

Age: 45 years
Gender: Female
Ultrasound

Exophytic well defined hyperechoic mass lesion seen in the lower pole of the left kidney with no internal calcification or detectable vascularity. The lesion demonstrates posterior acoustic enhancement.

Case Discussion

Renal angiomyolipoma is the most common benign solid renal lesion with a female predilection. It is sporadic in most cases however it could be associated with phakomatoses. Calcification raises the possibility of fat-containing RCC.

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