CNS tumor
CNS cysts
Cysts - general

Author: Eman Abdelzaher, M.D., Ph.D. (see Authors page)

Revised: 21 August 2017, last major update February 2012

Copyright: (c) 2002-2017,, Inc.

PubMed Search: CNS cysts [title]

Cite this page: Abdelzaher, E. Cysts - general. website. Accessed October 19th, 2018.
Specimen preparation
  • Save portion for EM
  • Fix tissue and then cut sections of cyst wall
  • Submit as many sections as possible to rule out neoplasm
Microscopic (histologic) description
  • No solid nodule of tissue
  • Cyst may be surrounded by fibrillary or piloid gliosis
Differential diagnosis
  • Abscess: granulation tissue and fibrosis, inflammation
  • Tumors with cystic areas: refer to specific tumor types for DD