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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Schwannoma | 28D2 Schwannoma-Meningioma Collision (Case 28) Area A Coll IV 1.jpg
Higher magnification of the junction between schwannoma and meningioma. ---- Not shown: These spindle cells are immunoreactive to Coll IV and S100 but negative for EMA and PR. The Ki67 index in this area is 5.5%. The overall features are diagnostic of schwannoma.
