Difference between revisions of "Nasal cavity and paranasal sinuses"
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− | ==Nasal polyps== | + | ==Nasal or sinonasal polyps== |
Look for signs of malignancy. | Look for signs of malignancy. | ||
− | {{Further| | + | {{Further|Evaluation of suspected malignancies}} |
− | [[File:Histopathology of a nasal polyp.jpg|thumb|'''Benign nasal polyp''' (not otherwise specified), consisting of hyperplastic edematous connective tissue with some seromucous glands and | + | [[File:Histopathology of a nasal polyp.jpg|thumb|'''Benign nasal/sinonasal polyp''' (not otherwise specified), consisting of hyperplastic edematous connective tissue with some seromucous glands and inflammation (mostly neutrophils and eosinophils), surrounded by respiratory or squamous epithelium.<ref>{{Cite book|url=https://books.google.com/books?id=Zm3jBwAAQBAJ&pg=PA168|title=Ear, Nose and Throat Histopathology|last=Michaels|first=Leslie|date=2012-12-06|publisher=Springer Science & Business Media|isbn=9781447133322|language=en|page=168}}</ref> It can be termed '''inflammatory nasal/sinonasal polyp''' when inflammation is more pronounced.]] |
Main differential diagnoses: | Main differential diagnoses: | ||
<gallery mode=packed heights=200> | <gallery mode=packed heights=200> | ||
File:Histopathology of inverted papilloma.jpg|'''Inverted papilloma''', wherein the surface epithelial cells grow downward into the underlying supportive tissue. | File:Histopathology of inverted papilloma.jpg|'''Inverted papilloma''', wherein the surface epithelial cells grow downward into the underlying supportive tissue. | ||
− | File:Histopathology of nasal squamous papilloma.jpg|'''Squamous papilloma'''. | + | File:Histopathology of nasal squamous papilloma.jpg|'''Squamous papilloma''', with acanthosis and hyperkerratosis. |
</gallery> | </gallery> | ||
+ | In case of '''inflammation''', confirm that it is mixed and that lymphocytes are not atypical (otherwise, consult hematopathology, particularly whether it could be T cell lymphoma, nasal type. | ||
{{Bottom}} | {{Bottom}} |
Revision as of 19:23, 26 October 2022
Author:
Mikael Häggström [note 1]
Nasal or sinonasal polyps
Look for signs of malignancy. Further information: Evaluation of suspected malignancies
Main differential diagnoses:
In case of inflammation, confirm that it is mixed and that lymphocytes are not atypical (otherwise, consult hematopathology, particularly whether it could be T cell lymphoma, nasal type.
Notes
- ↑ 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
- ↑ Michaels, Leslie (2012-12-06) (in en). Ear, Nose and Throat Histopathology . Springer Science & Business Media. p. 168. ISBN 9781447133322.
Image sources