Nasal cavity, paranasal sinuses, nasopharynx
Inflammatory / infectious lesions
Nasal polyps, atypical stromal cells


Topic Completed: 1 November 2004

Revised: 25 April 2019

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

PubMed search: nasal polyp atypical stromal cells

See also: General, Angiectatic, Antrochoanal, Cystic fibrosis, Inflammatory

Nat Pernick, M.D.
Page views in 2018: 312
Page views in 2019 to date: 233
Table of Contents
Definition / general
Cite this page: Pernick, N. Nasal polyps, atypical stromal cells. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/nasalpolypatypical.html. Accessed August 24th, 2019.
Definition / general
  • Resemble polyp on low power
  • Common; have prominent cytoplasm, enlarged hyperchromatic nuclei resembling "radiation fibroblasts" or sarcoma
  • More common in younger patients or those with prominent fibrous stroma
  • No increased cellularity, no prominent vasculature, no mitotic figures
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