Nasal cavity, paranasal sinuses, nasopharynx
Inflammatory / infectious lesions
Nasal polyps

Author: Nat Pernick, M.D. (see Authors page)

Revised: 18 May 2018, last major update November 2004

Copyright: (c) 2004-2018,, Inc.

PubMed Search: Nasal polyps[TI] nasal cavity

See also: Angiectatic, Antrochoanal, Atypical stromal cells, Cystic fibrosis, Inflammatory
Cite this page: Pernick, N. Nasal polyps. website. Accessed October 19th, 2018.
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