Trichorrhexis Invaginata and Netherton's Syndrome

    January 2012
    Adriana Rakowska, Małgorzata Olszewska, Lidia Rudnicka
    TLDR Recognizing bamboo hair helps diagnose Netherton’s syndrome.
    Trichorrhexis invaginata, also known as bamboo hair, was identified as a hair shaft abnormality where the hair shaft telescopes into itself, creating a "ball-in-cup" appearance under high magnification. This condition was pathognomonic of Netherton’s syndrome, a genetic disorder. The study highlighted the use of dermoscopy to diagnose this condition, noting the characteristic "golf tee-like" invagination when the hair shaft ruptures. The document emphasized the importance of recognizing these hair abnormalities for diagnosing Netherton’s syndrome.
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