gliomatosis

[glē-ō′mə-tōsĭs, glī-]
n.
  1. Neoplastic growth of neuroglial cells in the brain or spinal cord, especially one of relatively large size or having multiple foci.neurogliomatosis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.