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  • Title: Immunohistochemistry of meningiomas including the angioblastic type.
    Author: Holden J, Dolman CL, Churg A.
    Journal: J Neuropathol Exp Neurol; 1987 Jan; 46(1):50-6. PubMed ID: 2432194.
    Abstract:
    Immunohistochemical techniques were used to determine the intermediate filament content of normal arachnoidal cells, meningiomas (including the so-called hemangiopericytoma of the meninges), soft tissue hemangiopericytoma, and the normal pericyte. Arachnoid granulations and all types of meningioma stained similarly: positive for vimentin and variably positive for keratin. Soft tissue hemangiopericytomas and normal pericytes were negative for both vimentin and keratin. This suggests that the "hemangiopericytoma" of the meninges is a variant of meningioma and not of pericytic origin.
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