Renal angiomyolipoma with calcification: CT-pathology correlation.

Fat containing renal tumours are usually considered as angiomyolipomas on imaging modalities. Some cases of renal cell carcinoma have been reported. Although it has been previously reported, angiomyolipomas containing calcifications are very rare. We report a case of a fatty renal tumour with calcification which was an angiomyolipoma. The calcification within the tumour was secondary to osseous metaplasia.