Sebaceous Duct Cyst
An intradermal cyst lined by a thin squamous epithelium (sebaceous duct) and surrounded by hyperplastic sebaceous glands.
Gross Appearance:
Histology:
•Located within the dermis
•Cyst wall consists of basaloid cells and squamous cells
•Inner lining of the cyst is brightly eosinophilic and corrugated
•Granular cell layer is often difficult to identify
•Around the cyst are hyperplastic sebaceous glands
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