Hemangiopericytoma

Hemangiopericytoma
Other namesHPC
Haemangiopericytoma, Gomori methenamine silver stain
SpecialtyNeuro-oncology
SymptomsPainless mass
Usual onset45 years of age (median)

A hemangiopericytoma is a type of soft-tissue sarcoma that originates in the pericytes in the walls of capillaries. When inside the nervous system, although not strictly a meningioma tumor, it is a meningeal tumor with a special aggressive behavior. It was first characterized in 1942.

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