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

Table 1

Morphological patterns described in two recent reviews of ESFT [23, 24].

Number of cases	Classical	pPNET	Atypical	Spindle	Sclerosing	Adamantinoid	Reference
66	46	9	3	3	2	3	[23]
415	280	53	82	nr	nr	nr	[24]

Nr: not reported.