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All of the adamantinoma-like Ewing family tumors demonstrated areas of nested tumor growth with prominent fibrosis separating the nests (A and B). All of the tumors showed some areas of peripheral nuclear palisading (black arrowheads), and three of them had vague rosette formation (white arrows) (C). Two of the adamantinoma-like Ewing family tumors appeared to produce hyaline matrix-like material (D).
