EWSR1 Rearrangement and CD99 Expression as Diagnostic Biomarkers for Ewing/PNET Sarcomas in a Moroccan Population

Table 3

Association of EWSR1 rearrangement and CD99 positivity.

	CD99 positivity
	<50%			≥50%			value
EWSR1 rearrangement	+	—	IN	+	—	IN	0.021
Ewing sarcoma	2	0	1	17	0	2
Non Ewing sarcoma	0	6	0	0	10	0

IN: FISH was inconclusive.