CNS tumor
Ependymal tumors
Papillary ependymoma

Topic Completed: 1 August 2012

Minor changes: 25 September 2020

Copyright: 2002-2020,, Inc.

PubMed Search: Ependymoma [title] papillary

Eman Abdelzaher, M.D., Ph.D.
Page views in 2019: 1,888
Page views in 2020 to date: 2,220
Cite this page: Abdelzaher E. Papillary ependymoma. website. Accessed October 26th, 2020.
Definition / general
  • Rare; resembles choroid plexus papilloma
Microscopic (histologic) description
  • Forms extensive redundant epithelial-like surfaces
  • Not on fibrovascular stroma
Positive stains
Electron microscopy description
  • Frequent intercellular microrosettes, microvilli, cilia, zonulae adeherentes
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