Comment on Scalp Neuropathy in Androgenetic Alopecia

April 2022 in “ Journal of The American Academy of Dermatology ”

Ralph M. Trüeb, Ngoc-Nhi Catharina Luu

androgenetic alopecia scalp neuropathy pressure sensitivity 2-point discrimination vertex of the scalp arrector pili muscle hair follicle nerve fibers neuropeptide substance P ultrastructural techniques immunohistochemical techniques AGA scalp sensation hair loss substance P

Studysummary This study found that decreased pressure sensitivity and 2-point discrimination at the scalp's vertex were significantly associated with androgenetic alopecia in men.

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research Scalp Neuropathy in Androgenetic Alopecia

1 citations , January 2021 in “Journal of The American Academy of Dermatology”

This article suggests a hypothesis that scalp neuropathy may contribute to androgenetic alopecia, focusing on the potential role of the arrector pili muscle's innervation in maintaining hair health.

research Destruction of the Arrector Pili Muscle and Fat Infiltration in Androgenic Alopecia

35 citations , March 2014 in “British Journal of Dermatology”

This study found that in androgenic alopecia, the arrector pili muscle degenerates and is replaced by fat, unlike in normal skin or telogen effluvium.