Immunohistochemical Expression of Keratin Proteins in Keratoacanthomas of the Skin

March 1994 in “ Oncology Reports ”

Yohei Fujita, Reiki Nishimura, Masayuki Shintaku, Airo Tsubura

keratin proteins keratoacanthoma immunohistochemical methods squamous cell carcinoma outer root sheath cells hair follicles

Studysummary This study suggests that keratin expression in keratoacanthomas resembles that in the upper part of hair follicles, implying a potential origin, but it is indistinguishable from squamous cell carcinomas in terms of keratin reactivity.

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