Pathobiologic Markers of the Ewing Sarcoma Family of Tumors: State of the Art and Prediction of Behaviour

Table 2

Immunohistochemical expression of ESFT markers.

Reference	CD99	FLI1	CK (AE1/3)	HMWCK	desmin	CD117	CAV1	CD57 (HNK1)
Folpe et al. [23]	100%	94%	32%	5%	2%	24%	ND	ND
Llombart-Bosch [24]	99%	89%	ND	ND	ND	ND	96%	53%

ND: not done; CK: cytokeratin; HMWCK: high molecular weight cytokeratin; CAV: caveolin 1; HNK1: human natural killer antigen 1.