gliosarcoma

[glē′ō-sär-kōmə, glī′-]
n.
  1. A glioma consisting of immature, undifferentiated, pleomorphic, spindle-shaped cells with hyperchromatic nuclei and poorly formed fibrillary processes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.