Nasal cavity, paranasal sinuses, nasopharynx
Sinonasal meningioma

Topic Completed: 1 November 2004

Revised: 5 June 2019

Copyright: 2004-2019,, Inc.

PubMed Search: Meningioma[TI] nasal[TIAB]

Nat Pernick, M.D.
Page views in 2018: 413
Page views in 2019 to date: 530
Cite this page: Pernick N. Sinonasal meningioma. website. Accessed October 19th, 2019.
Definition / general
  • Rare, frequently misclassified
  • Mean age 48 years, range 13 - 88 years; no gender preference
  • Usually primary intranasal or paranasal mass; may also be an intracranial tumor invading sphenoid or frontal sinuses
  • Primary extracranial tumors have a good prognosis; intracranial lesions invading into upper respiratory tract are difficult to excise
Microscopic (histologic) description
  • Whorled growth pattern of meningothelial spindle cells with psammoma bodies
  • May have atypical features
Positive stains
Negative stains
Differential diagnosis
Additional references
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