May 2024 in “Indian journal of child health” A 7-year-old girl had a non-painful skin growth at her belly button, which was removed and identified as a keratinous cyst.
5 citations
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February 2015 in “Ophthalmic plastic and reconstructive surgery” Two new types of eyelid cysts were identified, each with different treatment challenges.
3 citations
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January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
36 citations
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November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
8 citations
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April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.