Co-existent renal replacement lipomatosis and pyelitis glandularis

A 50 year old female was found to have a lump on the right side of abdomen with discharging wound on the same side and was ultrasonographically diagnosed as renal cell carcinoma. On histopathology, it showed replacement of the kidney by mature adipose tissue renal replacement lipomatosis, along with pyelitis glandularis which is a rare condition.