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Difference between revisions of "Dermal cysts"
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| Line 77: | Line 77: | ||
====Micro==== | ====Micro==== | ||
The sections show hair-bearing skin with a cyst that is lined by squamous epithelium with a granular layer. The cyst contains keratin. The overlying epithelium is unremarkable. | The sections show hair-bearing skin with a cyst that is lined by squamous epithelium with a granular layer. The cyst contains keratin. The overlying epithelium is unremarkable. | ||
=====Ruptured===== | |||
The section shows a dermal collection of neutrophils with acellular keratin-like material surrounded by histiocytes and fibrosis. The lesion is completely excised in the plane of section. Hair follicles are adjacent to the abscess; however, they are not inflamed. | |||
==Pilar cyst== | ==Pilar cyst== | ||