Clinical History:
56-year-old male with bilateral renal masses, the
largest is 5.8 cm on the left
Histology: Figure A show nests of cells having
pale cytoplasm with eospinophilic granules. There is
perinuclear clearing and cells have a distinct border
giving plant cell like cell wall appearance. Special
immunoperoxidase staining in Figure B, CD10 is focally
positive in the tumor cells. |