Clinical History: 55 year old male presented with
right sided renal mass. A core needle biopsy was
performed
Histology: Figure A show nests of
round to polygonal cells with finely granular
eosinophilic cytoplasm consistent with renal oncocytoma.
The immunostains, positive CD117, e-cadherins, vimentin
and negative collidalFe further confirm the diagnosis. |