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Difference between revisions of "Epidermal inclusion cyst"
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Epidermal inclusion cyst (view source)
Revision as of 13:32, 29 December 2016
, 13:32, 29 December 2016→See also
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| Prognosis = benign | | Prognosis = benign | ||
| Other = | | Other = | ||
| ClinDDx = other [[skin cysts]] | | ClinDDx = other [[skin cysts]], [[gouty tophus]] | ||
}} | }} | ||
'''Epidermal inclusion cyst''', abbreviated '''EIC''', is a very common [[skin]] pathology. It is also know as '''epidermal cyst''', '''epidermoid cyst''',<ref name=Ref_Derm302>{{Ref Derm|302}}</ref> and '''follicular cyst, infundibular type'''. | '''Epidermal inclusion cyst''', abbreviated '''EIC''', is a very common [[skin]] pathology. It is also know as '''epidermal cyst''', '''epidermoid cyst''',<ref name=Ref_Derm302>{{Ref Derm|302}}</ref> and '''follicular cyst, infundibular type'''. | ||
''Testicular epidermoid cyst'' is dealt with separately in ''[[epidermoid cyst of the testis]]''. | |||
==General== | ==General== | ||
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*[[Pilar cyst]] - indistinguishable on gross.<ref name=dermis36946>URL: [http://www.dermis.net/dermisroot/en/36946/diagnose.htm http://www.dermis.net/dermisroot/en/36946/diagnose.htm]. Accessed on: 2 November 2012.</ref> | *[[Pilar cyst]] - indistinguishable on gross.<ref name=dermis36946>URL: [http://www.dermis.net/dermisroot/en/36946/diagnose.htm http://www.dermis.net/dermisroot/en/36946/diagnose.htm]. Accessed on: 2 November 2012.</ref> | ||
*[[Melanoma]].<ref name=pmid18201468/> | *[[Melanoma]].<ref name=pmid18201468/> | ||
*[[Gouty tophus]]. | |||
===Image=== | ===Image=== | ||
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Image:Inflamed_epidermal_inclusion_cyst.jpg |Epidermal inclusion cyst. (WC) | Image:Inflamed_epidermal_inclusion_cyst.jpg |Epidermal inclusion cyst. (WC) | ||
</gallery> | </gallery> | ||
==Microscopic== | |||
Features: | Features: | ||
*Cyst lining by a stratified squamous epithelium with a granular layer - '''key feature'''.<ref>URL: [http://emedicine.medscape.com/article/1058907-diagnosis http://emedicine.medscape.com/article/1058907-diagnosis]. Accessed on: 18 March 2011.</ref> | *Cyst lining by a stratified squamous epithelium with a granular layer - '''key feature'''.<ref>URL: [http://emedicine.medscape.com/article/1058907-diagnosis http://emedicine.medscape.com/article/1058907-diagnosis]. Accessed on: 18 March 2011.</ref> | ||
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===Ruptured=== | ===Ruptured=== | ||
<pre> | |||
Lesion, Left Elbow, Excision: | |||
- Benign epidermal inclusion cyst with evidence of rupture. | |||
</pre> | |||
====Block letters==== | |||
<pre> | <pre> | ||
SKIN LESION, RIGHT CHEEK, EXCISION: | SKIN LESION, RIGHT CHEEK, EXCISION: | ||
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==See also== | ==See also== | ||
[[Dermal cysts]]. | *[[Dermal cysts]]. | ||
*[[Epidermoid cyst of the testis]]. | |||
*[[Cholesteatoma]]. | |||
==References== | ==References== | ||