Difference between revisions of "Hyperkeratosis"
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| − | [[File:Prominent hyperkeratosis.jpg|thumb|100px|Hyperkeratosis.]] | + | [[File:Prominent hyperkeratosis.jpg|thumb|100px|Hyperkeratosis is thickening of stratum corneum.]] |
| − | In cases where hyperkeratosis | + | In cases where hyperkeratosis is the main finding, look for the following: |
<gallery mode=packed heights=190> | <gallery mode=packed heights=190> | ||
File:Histopathology of seborrheic keratosis, low magnification.jpg|'''Cornified cysts''', indicating mainly '''[[seborrheic keratosis]]'''<ref name="Weidner 2009">{{cite book | last=Weidner | first=Noel | title=Modern surgical pathology | publisher=Saunders/Elsevier | publication-place=Philadelphia, PA | year=2009 | isbn=978-1-4160-3966-2 | oclc=460883320 | page=}}</ref> | File:Histopathology of seborrheic keratosis, low magnification.jpg|'''Cornified cysts''', indicating mainly '''[[seborrheic keratosis]]'''<ref name="Weidner 2009">{{cite book | last=Weidner | first=Noel | title=Modern surgical pathology | publisher=Saunders/Elsevier | publication-place=Philadelphia, PA | year=2009 | isbn=978-1-4160-3966-2 | oclc=460883320 | page=}}</ref> | ||
| − | File:Histopathology of a large squamous cell papilloma.jpg|Papillomatous protrusions | + | </gallery> |
| + | ===Dysplasia and/or atypia=== | ||
| + | If suspected, also look for: | ||
| + | <gallery mode=packed heights=190> | ||
| + | File:Histopathology of a large squamous cell papilloma.jpg|Papillomatous '''protrusions''', indicating mainly '''[[squamous papilloma]]'''.<ref>{{cite web|url=http://www.pathologyoutlines.com/topic/oralcavitysquamouspapilloma.html|title=Oral cavity - Other benign tumors / conditions - Squamous papilloma|author=Nat Pernick|website=pathology Outlines}} Topic Completed: 1 November 2013. Revised: 1 February 2019</ref> | ||
| + | File:Micrograph of actinic keratosis - low magnification.jpg|'''[[Parakeratosis]]''' indicating mainly '''[[actinic keratosis]]''' (pictured), or if dysplasia covers all epidermal layers on skin: '''[[Squamous-cell carcinoma of the skin]]''' | ||
</gallery> | </gallery> | ||
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Latest revision as of 14:27, 23 November 2020
Author:
Mikael Häggström [note 1]
In cases where hyperkeratosis is the main finding, look for the following:
Cornified cysts, indicating mainly seborrheic keratosis[1]
Dysplasia and/or atypia
If suspected, also look for:
Papillomatous protrusions, indicating mainly squamous papilloma.[2]
Parakeratosis indicating mainly actinic keratosis (pictured), or if dysplasia covers all epidermal layers on skin: Squamous-cell carcinoma of the skin
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
- ↑ Weidner, Noel (2009). Modern surgical pathology . Philadelphia, PA: Saunders/Elsevier. ISBN 978-1-4160-3966-2. OCLC 460883320.
- ↑ Nat Pernick. Oral cavity - Other benign tumors / conditions - Squamous papilloma. pathology Outlines. Topic Completed: 1 November 2013. Revised: 1 February 2019
Image sources
