Nasal cavity, paranasal sinuses, nasopharynx

Benign tumors

Sinonasal meningioma



Topic Completed: 1 November 2004

Minor changes: 28 December 2020

Copyright: 2004-2021, PathologyOutlines.com, Inc.

PubMed Search: Meningioma[TI] nasal[TIAB]

Nat Pernick, M.D.
Page views in 2020: 817
Page views in 2021 to date: 1,098
Cite this page: Pernick N. Sinonasal meningioma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/nasalmeningioma.html. Accessed December 3rd, 2021.
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
Back to top
Image 01 Image 02