Clinical and histologic proof of hairs and sebaceous glands within a keloid present for over 20 years is presented. The keloid arose from the site of a vaccination against smallpox. Other keloids containing hairs were also present in the same patient. This appears to be the first reported case of a keloid older than one year containing hair and sebaceous glands.
Fine HL. Keloids Containing Hair and Sebaceous Glands. Arch Dermatol. 1967;96(2):185–187. doi:10.1001/archderm.1967.01610020077022
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