Plica Neuropathica (Polonica) Secondary to Diffuse Alopecia: A Case Report and Literature Review

    September 2025 in “ Cureus ”
    Alondra Saray Polanco-Llanes, Abraham Isaí Cabello-Hernández, Paulina Nundehui Cortés‐López … Genaro Briseño–Gascón
    Studysummary In this case report, the researchers documented a rare instance of plica neuropathica, characterized by matted and twisted hair, occurring alongside diffuse alopecia, marking the first such documented association and emphasizing its diagnostic challenges in identifying causes of alopecia.
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    Research cited in this study 7

    1. Is Thyroid Dysfunction a Common Cause of Telogen Effluvium? A Retrospective Study Medicine · 2024
    2. Androgenetic Alopecia: An Update JAAD International · 2023
    3. Plica Neuropathica as a Presenting Rare Dermatologic Symptom of Schizophrenia Clinical, cosmetic and investigational dermatology · 2023
    4. Plica Neuropathica in Two Hispanic Patients Skin appendage disorders · 2023
    5. Telogen Effluvium: A Review of the Science and Current Obstacles Journal of Dermatological Science · 2021
    6. Telogen Effluvium: A Review of the Literature Cureus · 2020
    7. Plica Neuropathica: Novel Presentation of a Rare Disease Clinical and Experimental Dermatology · 2006