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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Perineurioma, Intraneural | 1B1 Perineurioma (Case 1) EMA 5.jpg
1B1-3 Immunohistochemically stained sections show reactivity for epithelial membrane antigen (EMA) within the perineurial fibrous tissue and septae, and also within the individual lamellae of the 'onion-bulb'-like structures. Perineuriomas vary significantly in the amount of endoneurial EMA immunoreactivity. (EMA IHC).
