Medical Dictionary

hemangiopericytoma he·man·gi·o·per·i·cy·to·ma (hĭ-mān'gē-ō-pěr'ĭ-sī-tō'mə)
A rare vascular, usually benign neoplasm composed of round and spindle cells presumably derived from pericytes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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