Histopathological Findings of Uncomplicated Hair Transplant for Male Androgenetic Alopecia: Can Lichen Planopilaris Features Be Present?

    January 2020 in “ Skin appendage disorders ”
    Andressa Miranda Alcântara, Aline Donati, María Matilde Socarrás Suárez, Ivan Dias Fernandes Pereira, Neusa Yuriko Sakai Valente, Nilceo Schwery Michalany, Cristiano de Lima, Leticia Arsie Contin
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    TLDR Hair transplants for male baldness can show inflammation and fibrosis, but more research is needed to confirm LPP presence.
    This study examined the histopathological findings of uncomplicated hair transplants for male androgenetic alopecia (AGA) and whether lichen planopilaris (LPP) features can be present. The study found that lymphocytic perifollicular inflammation and fibrosis may occur in uncomplicated hair transplants for AGA, and peri-infundibular inflammation may be useful in future studies. The study also found that excess biopsies on discrete erythema and perifollicular scaling may be avoided to prevent false diagnosis of LPP. Further studies with a larger number of cases and considering biopsies of patients more than 1 year after the procedure may be necessary to determine if the inflammatory infiltrate is still present and may help in the diagnosis of post-transplant LPP.
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