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===Microsopic=== | ===Microsopic=== | ||
Features:<ref name=pmid15205675>{{Cite journal | last1 = Singh | first1 = AD. | last2 = McCloskey | first2 = L. | last3 = Parsons | first3 = MA. | last4 = Slater | first4 = DN. | title = Eccrine hidrocystoma of the eyelid. | journal = Eye (Lond) | volume = 19 | issue = 1 | pages = 77-9 | month = Jan | year = 2005 | doi = 10.1038/sj.eye.6701404 | PMID = 15205675 }}</ref> | Features:<ref name=pmid15205675>{{Cite journal | last1 = Singh | first1 = AD. | last2 = McCloskey | first2 = L. | last3 = Parsons | first3 = MA. | last4 = Slater | first4 = DN. | title = Eccrine hidrocystoma of the eyelid. | journal = Eye (Lond) | volume = 19 | issue = 1 | pages = 77-9 | month = Jan | year = 2005 | doi = 10.1038/sj.eye.6701404 | PMID = 15205675 }}</ref><ref>{{Ref Derm|314}}</ref> | ||
*Cyst lined by bilayer consisting of bland cells with: | *Cyst lined by bilayer consisting of bland cells with: | ||
** | **Basal small round nuclei. | ||
**Moderate pale/greyish cytoplasm. | **Moderate pale/greyish cytoplasm. | ||
**No apocrine snouts - flat surface. | |||
Note: | 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> | *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: | |||
*[[Apocrine hidrocystoma]] - have apocrine snouts; surface is ''not'' flat. | |||
*Cystadenoma - has epithelial proliferation. | |||
====Image==== | ====Image==== |
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