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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Schwannoma | 26C4 Schwannoma-Meningioma NF2 pt (Case 26) S-100 1.jpg
Schwannian areas are highlighted by S100 immunoreactivity making meningioma elements easier to see. (S100 IHC) ---- Comment: The overall findings are consistent with a collision tumor consisting largely of meningioma with a small component of schwannoma.
