Eccrine hidrocystoma: Difference between revisions

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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      =
| Width      =
| Caption    =
| Synonyms  =
| Micro      = cyst lined by a bland bilayer, lack apocrine snouts
| Subtypes  =
| LMDDx      =
| Stains    =
| IHC        =
| EM        =
| Molecular  =
| IF        =
| Gross      =
| Grossing  =
| Staging    =
| Site      = [[eyelid]]
| Assdx      =
| Syndromes  =
| Clinicalhx =
| Signs      =
| Symptoms  =
| Prevalence =
| Bloodwork  =
| Rads      =
| Endoscopy  =
| Prognosis  = benign
| Other      =
| ClinDDx    = cystic [[basal cell carcinoma]]
| Tx        = excision
}}
'''Eccrine hidrocystoma''' is a benign lesion of the [[eye]]lid.
'''Eccrine hidrocystoma''' is a benign lesion of the [[eye]]lid.


It is occasionally spelled ''eccrine hydrocystoma''.<ref name=pmid10065300/>
It is occasionally spelled ''eccrine hydrocystoma''.
==General==
==General==
*Benign.
*Benign.
*Eyelid lesion.
*Eyelid lesion.


Clinical DDx:<ref name=pmid10065300/>
Clinical DDx:
*Cystic [[BCC]].
*Cystic [[BCC]].


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**Outer lining cells - spindled.
**Outer lining cells - spindled.
***May be difficult to see.
***May be difficult to see.
Note:
*According to the CMAJ, it has the histology of an [[epidermal inclusion cyst]].<ref name=pmid10065300>{{Cite journal  | last1 = Adams | first1 = SP. | title = Dermacase. Eccrine hydrocystoma. | journal = Can Fam Physician | volume = 45 | issue =  | pages = 297, 306 | month = Feb | year = 1999 | doi =  | PMID = 10065300 |PMC = 2328272 }}</ref>


DDx:
DDx:
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===Image===
===Image===
<gallery>
====www====
Image:SkinTumors-P7110453.JPG | Apocrine hidrocystoma (AH). AH looks similar to ''eccrine hidrocystoma''. (WC)
*[https://www.webpathology.com/image.asp?n=92&Case=706 Eccrine hidrocystoma (webpathology.com)].
</gallery>
www:
*[http://www.nature.com/eye/journal/v19/n1/fig_tab/6701404f1.html Eccrine hidrocystoma (nature.com)].
*[http://www.dermnet.org.nz/pathology/apocrine-hidrocystoma-path.html Apocrine hidrocystoma (dermnet.org)].
*[http://www.flickr.com/photos/42574434@N03/9519309216 Apocrine hidrocystoma (flickr.com)].


==Sign out==
==Sign out==
<pre>
Lesion [Cyst], Left Lower Eyelid, Excision:
- Benign cyst in keeping with eccrine hidrocystoma.
</pre>
===Micro===
The sections show hair bearing skin with a cyst lined by a bland, flat, bilayered epithelium.  The lining cells have moderate pale cytoplasm and small round nuclei. 
The lesion is excised in the plane of section.
===All uppercase===
<pre>
<pre>
SKIN LESION, ADJACENT TO RIGHT EYELID, EXCISION:
SKIN LESION, ADJACENT TO RIGHT EYELID, EXCISION:
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</pre>
</pre>


===Micro===
====Micro====
The sections show hair bearing skin with a cyst lined by a bland bilayered epithelium.  The predominant lining cell has moderate pale grey cytoplasm and a small round nucleus.   
The sections show hair bearing skin with a cyst lined by a bland bilayered epithelium.  The predominant lining cell has moderate pale grey cytoplasm and a small round nucleus.   


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==See also==
==See also==
*[[Eye]].
*[[Eye]].
*[[Epidermal inclusion cyst]].


==References==
==References==
Retrieved from "https://librepathology.org/wiki/Eccrine_hidrocystoma"