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Difference between revisions of "Squamous cell carcinoma of the skin"
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Squamous cell carcinoma of the skin (view source)
Revision as of 18:21, 21 September 2020
, 18:21, 21 September 2020no edit summary
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| Micro = | | Micro = | ||
| Subtypes = many see ''[[squamous cell carcinoma]]'' | | Subtypes = many see ''[[squamous cell carcinoma]]'' | ||
| LMDDx = [[inverted follicular keratosis]], [[Paget disease of the breast]], [[eccrine carcinoma]], [[atypical fibroxanthoma]], [[malignant melanoma]], [[leiomyosarcoma]], [[basal cell carcinoma]] (for ''[[basaloid squamous cell carcinoma]]'') | | LMDDx = [[inverted follicular keratosis]], [[Paget disease of the breast]], [[eccrine carcinoma]], [[atypical fibroxanthoma]], [[malignant melanoma]], [[leiomyosarcoma]], [[basal cell carcinoma]] (for ''[[basaloid squamous cell carcinoma]]''), [[porocarcinoma]], [[pseudoepitheliomatous hyperplasia]] | ||
| Stains = | | Stains = | ||
| IHC = CK5/6 +ve, p63 +ve, K903 +ve, [[Ber-EP4]] -ve, S-100 -ve | | IHC = CK5/6 +ve, p63 +ve, K903 +ve, [[Ber-EP4]] -ve, S-100 -ve | ||
| Line 14: | Line 14: | ||
| Gross = scaly patch or nodule, +/-ulceration | | Gross = scaly patch or nodule, +/-ulceration | ||
| Grossing = | | Grossing = | ||
| Staging = [[Squamous_cell_carcinoma_of_the_skin#Staging|squamous cell carcinoma of the skin staging]] | |||
| Site = [[skin]] - usu. sun exposed areas | | Site = [[skin]] - usu. sun exposed areas | ||
| Assdx = [[actinic keratosis]], [[solar elastosis]] | | Assdx = [[actinic keratosis]], [[solar elastosis]] | ||
| Line 79: | Line 80: | ||
*[[Eccrine carcinoma]]. | *[[Eccrine carcinoma]]. | ||
*[[Basal cell carcinoma]] for [[basaloid squamous cell carcinoma]]. | *[[Basal cell carcinoma]] for [[basaloid squamous cell carcinoma]]. | ||
*[[Porocarcinoma]]. | |||
*[[Pseudoepitheliomatous hyperplasia]]. | |||
===Grading=== | ===Grading=== | ||
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| T1 | | T1 | ||
| <=2 cm ''and'' less than two high-risk factors | | <=2 cm ''and'' less than two high-risk factors | ||
| | | see ''microscopic'' for list of high-risk factors | ||
|- | |- | ||
| T2 | | T2 | ||
| >2 cm and less than two high-risk factors ''or'' two | | >2 cm and less than two high-risk factors ''or'' two or more high-risk factors | ||
| | | see ''microscopic'' for list of high-risk factors | ||
|- | |- | ||
| T3 | | T3 | ||