Immunoperoxidase Anti-Keratin Staining of Epidermal and Pilar Cysts

    D.W.K. Cotton, N Kirkham, Brian J. Young
    Studysummary In this study, the staining properties of two types of cysts, epidermal and pilar, were found to differ, supporting their origins from the epidermis and the trichilemmal hair follicle layer, respectively.
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    The study conducted on epidermal and pilar cysts used anti-keratin antibodies derived from human hair and callus to stain the cysts. The results showed distinct staining properties between the two types of cysts, which supported the hypothesis that epidermal cysts originated from the epidermis, while pilar cysts originated from the trichilemmal layer of the hair follicle.
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