Trichoscopy as a Diagnostic Tool in Trichorrhexis Invaginata and Netherton Syndrome

    February 2015 in “ Anais Brasileiros de Dermatologia ”
    Maraya de Jesus Semblano Bittencourt, Emanuella Rosyane Duarte Moure, Olga Ten Caten Pies, Alena Darwich Mendes, M Depra, Anna Luiza Piqueira de Mello
    TLDR Trichoscopy is useful for diagnosing Netherton syndrome in children with skin issues.
    Netherton syndrome, a rare autosomal recessive disease, was characterized by symptoms such as erythroderma, ichthyosis linearis circumflexa, atopy, and a specific hair shaft abnormality known as trichorrhexis invaginata or bamboo hair. In a reported case of a 4-year-old boy with erythroderma, growth deficit, and chronic diarrhea, trichoscopy was effectively used to identify the characteristic bamboo and "golf tee" hair, which was crucial for diagnosing Netherton syndrome. The study suggested employing trichoscopy as a diagnostic tool in all children presenting with erythroderma to aid in the diagnosis of this condition.
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