Nasal cavity, paranasal sinuses, nasopharynx
Inflammatory / idiopathic / autoimmune
Nasal polyps


Topic Completed: 1 November 2004

Revised: 9 October 2019

Copyright: 2004-2019, PathologyOutlines.com, Inc.

PubMed Search: Nasal polyps[TI] nasal cavity

Nat Pernick, M.D.
Page views in 2018: 9,172
Page views in 2019 to date: 7,524
Cite this page: Pernick N. Nasal polyps. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/nasalpolyp.html. Accessed October 19th, 2019.
Definition / general
  • Common; not neoplastic but may fill entire nasal cavity or extend into cranial cavity or orbit
  • In children, must rule out cystic fibrosis
  • Often recur due to persistence of causative factors
Microscopic (histologic) description
  • Edematous lamina propria with variable inflammatory infiltrate including eosinophils
  • Subtypes include angiectatic (angiomatous), cystic, edematous, fibrous, glandular
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