Meningeal hemangiopericytoma

uploaded on: Jun 18, 2009
by: gliageek

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Characterized by dense hypercellularity, dilated vasculature, and a tendency towards leptomeningeal and extramural dissemination; the hemangiopericytoma is no longer considered a meningioma subtype, but instead is felt to represent an aggressive an aggressive mesenchymal tumor involving the meninges.

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