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Clinical History:
59-year-old male with renal mass of the left kidney with
possible vein thrombosis.
Histology:
The tumor shows focal areas with definitive high grade
clear cell features (left hand side of figure B) merging
into the sarcomatoid tumor. Figure A shows abnormal
spindle cells with nuclear polymorphism and multiple
mitotic figures suggestive of sarcomatoid architecture. |
