CNS tumor
CNS cysts
Cysts - general




Topic Completed: 1 February 2012

Revised: 21 August 2017, last major update February 2012

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PubMed Search: CNS cysts [title]

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Cite this page: Abdelzaher E. Cysts - general. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/cnstumorcystsgeneral.html. Accessed April 23rd, 2019.
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
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