Clinical History:
70-year-old female with large renal cell carcinoma with
invasion of the vena cava
Gross section:
The
cut surface of the kidney shows a red-yellow mottled
tumor which involves the renal sinus and extends up to
but not through the renal capsule.
Histology: Figures
C, D, E show renal cell, carcinoma clear cell type with
bizarre nuclei which are multilobular and are 20 µm or
greater in size. Nucleoli are prominent and the
chromatin is clumped (Fuhrman grade 4). |