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Difference between revisions of "Dermal cysts"
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→Epidermal inclusion cyst: more alt. name
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(→Epidermal inclusion cyst: more alt. name) |
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==Epidermal inclusion cyst== | ==Epidermal inclusion cyst== | ||
*[[AKA]] ''epidermal cyst''. | *[[AKA]] ''epidermal cyst''. | ||
*[[AKA]] ''epidermoid cyst''.<ref name=Ref_Derm302>{{Ref Derm|302}}</ref> | |||
*[[AKA]] ''follicular cyst, infundibular type''. | |||
===General=== | ===General=== | ||
*Very common. | *Very common. | ||
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*Trapped collagen bundles at edge of lesion with surrounded by fibroblasts. | *Trapped collagen bundles at edge of lesion with surrounded by fibroblasts. | ||
*Keratin. | *Keratin. | ||
*+/-[[granuloma|Granulomatous inflammation]] due to rupture. | |||
Image: | Image: | ||
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*[[Dermoid cyst]] - has adnexal structures, i.e. hair follicle, sebaceous glands, sweat glands. | *[[Dermoid cyst]] - has adnexal structures, i.e. hair follicle, sebaceous glands, sweat glands. | ||
*[[Dermatofibrosarcoma protuberans]] - if lesion is large. | *[[Dermatofibrosarcoma protuberans]] - if lesion is large. | ||
*Cystic [[squamous cell carcinoma of the skin|squamous cell carcinoma]].<ref name=Ref_Derm302>{{Ref Derm|302}}</ref> | |||
*[[Keratoacanthoma]]. | |||
===Sign out=== | |||
<pre> | |||
SKIN CYST, BACK, EXCISION: | |||
- EPIDERMAL INCLUSION CYST. | |||
</pre> | |||
====Micro==== | |||
The sections show hair-bearing skin with a cyst that is lined by squamous epithelium with a granular layer. The cyst contains keratin. | |||
==Pilar cyst== | ==Pilar cyst== | ||