Sarcomatoid Carcinoma of the Prostate

Table 1

Histopathological findings of sarcomatoid tumor in our patient.

Light microscopy	High cellularity, spindle and pleomorphic cells with bizarre appearance, atypical mitotic figures, and necrosis.
Immunohistochemical findings	Cytokeratin (AE1/AE3)	Negative
	Vimentin (V9)	Positive
	SMA	Positive
	Factor VIII	Negative
	C-kit (CD117)	Negative (rare, weak, granular positivity in the Golgi area)
	CD34	Negative