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Difference between revisions of "Pilar sheath acanthoma"
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = SkinTumors-P8190634.JPG | |||
| Width = | |||
| Caption = Pilar sheath acanthoma. [[H&E stain]]. | |||
| Micro = | |||
| Subtypes = | |||
| LMDDx = [[trichofolliculoma]], [[dilated pore of Winer]], [[epidermal inclusion cyst]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = raised lesion, central cavitation | |||
| Grossing = | |||
| Site = [[skin]] - classically upper lip | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = typically middle aged - 50s | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = rare | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = | |||
}} | |||
'''Pilar sheath acanthoma''' is a rare benign [[skin]] lesion. | '''Pilar sheath acanthoma''' is a rare benign [[skin]] lesion. | ||
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*Considered a [[hamartoma]].<ref name=pmid3557980/> | *Considered a [[hamartoma]].<ref name=pmid3557980/> | ||
*Does not regress like keratoacanthoma. | *Does not regress like keratoacanthoma. | ||
*Typically middle aged individuals.<ref name=pmid718186>{{Cite journal | last1 = Mehregan | first1 = AH. | last2 = Brownstein | first2 = MH. | title = Pilar sheath acanthoma. | journal = Arch Dermatol | volume = 114 | issue = 10 | pages = 1495-7 | month = Oct | year = 1978 | doi = | PMID = 718186 }}</ref> | *Typically middle aged individuals - median age in one series 55 years old, range 46-75 years old.<ref name=pmid718186>{{Cite journal | last1 = Mehregan | first1 = AH. | last2 = Brownstein | first2 = MH. | title = Pilar sheath acanthoma. | journal = Arch Dermatol | volume = 114 | issue = 10 | pages = 1495-7 | month = Oct | year = 1978 | doi = | PMID = 718186 }}</ref> | ||
==Gross== | ==Gross== | ||
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===Images=== | ===Images=== | ||
<gallery> | |||
Image:SkinTumors-P8190634.JPG | PSA. (WC) | |||
</gallery> | |||
www: | www: | ||
*[http://www.dermnet.org.nz/pathology/pilar-sheath-path.html Pilar sheath acanthoma (dermnet.org.nz)]. | *[http://www.dermnet.org.nz/pathology/pilar-sheath-path.html Pilar sheath acanthoma (dermnet.org.nz)]. | ||