Presentation
Bilateral flank pain.
Patient Data



Mild dilatation of the left renal pelvicalyceal system was seen due to a 9×5 mm stone in pelvi-ureteral junction. Also, three stones were present in mid and lower calyces of left kidney, measuring about 3 mm, 3 mm & 8 mm, respectively. Also, a 21 mm cyst was seen at left kidney.
A 30 mm mass with fatty component was seen in upper pole of right kidney. Two small cysts,11 mm & 9 mm in diameters were present in right kidney.
Case Discussion
Right renal fat containing mass compatible with angiomyolipoma which is a type of benign renal neoplasms encountered both sporadically and as part of a phakomatosis, most commonly tuberous sclerosis.