Difference between revisions of "Dermal cysts"

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===Microscopic===
===Microscopic===
Features:
Features:<ref name=Ref_Derm309>{{Ref Derm|309}}</ref>
*Keratin.
*Keratin.
*Cyst lining has no granular layer - '''key feature'''.
*Cyst lining:
*Trapped collagen bundles at edge of lesion with surrounded by fibroblasts.
**Has no granular layer - '''key feature'''.
***Keratohyaline granules (as seen in the granular layer) may be seen focally.
**Inner most cyst lining cells are large cells with abundant eosinophilic cytoplasm.


DDx:  
DDx:  
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