Nasal cavity

From patholines.org
Jump to navigation Jump to search

Author: Mikael Häggström [notes 1]

Nasal polyps

Look for signs of malignancy.

Further information: Evaluation of suspected malignancies
Benign nasal polyp (not otherwise specified), consisting of hyperplastic edematous connective tissue with some seromucous glands and cells representing inflammation (mostly neutrophils and eosinophils). In early stages, the surface of the nasal polyp is covered by normal respiratory epithelium, but later it undergoes metaplastic change to squamous type epithelium (because of the constant irritation and inflammation). The submucosa shows large intercellular spaces filled with serous fluid.[1]

Main differential diagnoses:

Notes

  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.

Main page

References

  1. Michaels, Leslie (2012-12-06) (in en). Ear, Nose and Throat Histopathology . Springer Science & Business Media. p. 168. ISBN 9781447133322.