Pilar sheath acanthoma - Revision history

Michael: /* See also */

2013-10-30T12:36:04Z

Michael: /* Microscopic */

2013-10-30T11:57:59Z

Microscopic

← Older revision		Revision as of 11:57, 30 October 2013
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	*[[Trichofolliculoma]] - no branching of cavity, associated with hair & sebaceous glands.<ref name=pmid2697113/>		*[[Trichofolliculoma]] - no branching of cavity, associated with hair & sebaceous glands.<ref name=pmid2697113/>
	*[[Dilated pore of Winer]] - associated with hair & sebaceous glands.<ref name=pmid2697113/>		*[[Dilated pore of Winer]] - associated with hair & sebaceous glands.<ref name=pmid2697113/>
	*[[Epidermal inclusion cyst]].		*[[Epidermal inclusion cyst]] - no branching, no accessory structures.

	===Images===		===Images===

Michael at 11:55, 30 October 2013

2013-10-30T11:55:21Z

← Older revision		Revision as of 11:55, 30 October 2013
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	www:		www:
	*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ Pilar sheath acanthoma (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>		*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ Pilar sheath acanthoma (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>
	*[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 - several images (dermnet.org.nz)].
	*[http://www.eymj.org/Synapse/Data/PDFData/0069YMJ/ymj-30-392.pdf Pilar sheath acanthoma (eymj.org)].<ref name=pmid2697113/>		*[http://www.eymj.org/Synapse/Data/PDFData/0069YMJ/ymj-30-392.pdf Pilar sheath acanthoma (eymj.org)].<ref name=pmid2697113/>
			*[http://www.dermatopathonline.com/pilar%20sheath%20acanthoma2.html Pilar sheath acanthoma - several images (dermatopathonline.com)].

	==See also==		==See also==

Michael at 11:53, 30 October 2013

2013-10-30T11:53:23Z

← Older revision		Revision as of 11:53, 30 October 2013
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	*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ Pilar sheath acanthoma (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>		*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ Pilar sheath acanthoma (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>
	*[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)].
			*[http://www.eymj.org/Synapse/Data/PDFData/0069YMJ/ymj-30-392.pdf Pilar sheath acanthoma (eymj.org)].<ref name=pmid2697113/>

	==See also==		==See also==

Michael at 11:52, 30 October 2013

2013-10-30T11:52:04Z

← Older revision		Revision as of 11:52, 30 October 2013
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	===Images===		===Images===
	<gallery>		<gallery>
	Image:SkinTumors-P8190634.JPG \| Possibly a ~~PSA~~. (WC)		Image:SkinTumors-P8190634.JPG \| Possibly a pilar sheath acanthoma. (WC)
	</gallery>		</gallery>
	www:		www:
	*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ ~~PSA~~ (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>		*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ Pilar sheath acanthoma (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>
	*[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)].

Michael: tweak

2013-10-30T11:45:57Z

tweak

← Older revision		Revision as of 11:45, 30 October 2013
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	\| Image = SkinTumors-P8190634.JPG		\| Image = SkinTumors-P8190634.JPG
	\| Width =		\| Width =
	\| Caption = ~~Pilar~~ sheath acanthoma. [[H&E stain]].		\| Caption = Possibly a pilar sheath acanthoma. [[H&E stain]].
	\| Micro =		\| Micro = cystic cavity with branching - contains keratineous material, usually extends from surface to deep cutis, cyst lining consists of a thickened squamous epithelium
	\| Subtypes =		\| Subtypes =
	\| LMDDx = [[trichofolliculoma]], [[dilated pore of Winer]], [[epidermal inclusion cyst]]		\| LMDDx = [[trichofolliculoma]], [[dilated pore of Winer]], [[epidermal inclusion cyst]]
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	**Contains keratineous material.		**Contains keratineous material.
	**Usually extends from surface to deep cutis - like a hair shaft.		**Usually extends from surface to deep cutis - like a hair shaft.
	**~~Lining~~ consists of a thickened squamous epithelium.		**Cyst lining consists of a thickened squamous epithelium ([[acanthosis]]).
	*+/-Mitoses.		*+/-Mitoses.

Michael: /* Microscopic */

2013-10-30T11:43:28Z

Microscopic

← Older revision		Revision as of 11:43, 30 October 2013
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	==Microscopic==		==Microscopic==
	Features:<ref name=pmid718186/>		Features:<ref name=pmid718186/>
	*Cystic cavity with branching:<ref>{{Cite journal \| last1 = Choi \| first1 = YS. \| last2 = Park \| first2 = SH. \| last3 = Bang \| first3 = D. \| title = Pilar sheath acanthoma--report of a case with review of the literature. \| journal = Yonsei Med J \| volume = 30 \| issue = 4 \| pages = 392-5 \| month = Dec \| year = 1989 \| doi = \| PMID = 2697113 \| URL = http://www.eymj.org/Synapse/Data/PDFData/0069YMJ/ymj-30-392.pdf }}</ref>		*Cystic cavity with branching:<ref name=pmid2697113>{{Cite journal \| last1 = Choi \| first1 = YS. \| last2 = Park \| first2 = SH. \| last3 = Bang \| first3 = D. \| title = Pilar sheath acanthoma--report of a case with review of the literature. \| journal = Yonsei Med J \| volume = 30 \| issue = 4 \| pages = 392-5 \| month = Dec \| year = 1989 \| doi = \| PMID = 2697113 \| URL = http://www.eymj.org/Synapse/Data/PDFData/0069YMJ/ymj-30-392.pdf }}</ref>
	**Contains keratineous material.		**Contains keratineous material.
	**Usually extends from surface to deep cutis - like a hair shaft.		**Usually extends from surface to deep cutis - like a hair shaft.
	**Lining consists of a thickened squamous epithelium.		**Lining consists of a thickened squamous epithelium.
			*+/-Mitoses.

	DDx:		DDx:
	*[[Trichofolliculoma]].		*[[Trichofolliculoma]] - no branching of cavity, associated with hair & sebaceous glands.<ref name=pmid2697113/>
	*[[Dilated pore of Winer]].		*[[Dilated pore of Winer]] - associated with hair & sebaceous glands.<ref name=pmid2697113/>
	*[[Epidermal inclusion cyst]].		*[[Epidermal inclusion cyst]].

	===Images===		===Images===
	<gallery>		<gallery>
	Image:SkinTumors-P8190634.JPG \| PSA. (WC)		Image:SkinTumors-P8190634.JPG \| Possibly a PSA. (WC)
	</gallery>		</gallery>
	www:		www:

Michael at 11:39, 30 October 2013

2013-10-30T11:39:28Z

← Older revision		Revision as of 11:39, 30 October 2013
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	==Microscopic==		==Microscopic==
	Features:<ref name=pmid718186/>		Features:<ref name=pmid718186/>
	*Cystic cavity with:		*Cystic cavity with branching:<ref>{{Cite journal \| last1 = Choi \| first1 = YS. \| last2 = Park \| first2 = SH. \| last3 = Bang \| first3 = D. \| title = Pilar sheath acanthoma--report of a case with review of the literature. \| journal = Yonsei Med J \| volume = 30 \| issue = 4 \| pages = 392-5 \| month = Dec \| year = 1989 \| doi = \| PMID = 2697113 \| URL = http://www.eymj.org/Synapse/Data/PDFData/0069YMJ/ymj-30-392.pdf }}</ref>
	**~~Keratineous~~ material.		**Contains keratineous material.
	**Usually extends from surface to deep cutis - like a hair shaft.		**Usually extends from surface to deep cutis - like a hair shaft.
	**Lining consists of a thickened squamous epithelium.		**Lining consists of a thickened squamous epithelium.

Michael: /* Microscopic */

2013-10-30T11:36:04Z

Microscopic

← Older revision		Revision as of 11:36, 30 October 2013
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	</gallery>		</gallery>
	www:		www:
			*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129125/figure/F1/ PSA (nih.gov)].<ref name=pmid21769237>{{Cite journal \| last1 = Bavikar \| first1 = RR. \| last2 = Gaopande \| first2 = V. \| last3 = Deshmukh \| first3 = SD. \| title = Postauricular pilar sheath acanthoma. \| journal = Int J Trichology \| volume = 3 \| issue = 1 \| pages = 39-40 \| month = Jan \| year = 2011 \| doi = 10.4103/0974-7753.82136 \| PMID = 21769237 }}</ref>
	*[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)].

Michael: more

2013-10-30T11:33:48Z

← Older revision		Revision as of 11:33, 30 October 2013
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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)].

← Older revision		Revision as of 12:36, 30 October 2013
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	*[[Dermatopathology]].		*[[Dermatopathology]].
	*[[Skin cysts]].		*[[Skin cysts]].
			*[[Non-malignant skin disease]].

	==References==		==References==