Trichoscopy: A Useful Tool in the Preliminary Differential Diagnosis of Autoimmune Bullous Diseases

    August 2017 in “ International Journal of Dermatology ”
    Marta Sar‐Pomian, Lidia Rudnicka, Małgorzata Olszewska
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    TLDR Trichoscopy helps quickly identify autoimmune diseases on the scalp but should be used with other standard tests.
    The study by Sar-Pomian, Rudnicka, and Olszewska demonstrated that trichoscopy is a valuable noninvasive diagnostic tool for identifying autoimmune bullous diseases on the scalp, such as pemphigus vulgaris, pemphigus foliaceus, bullous pemphigoid, and dermatitis herpetiformis. Involving 68 patients, the research found characteristic trichoscopic patterns for each condition, with extravasations being the most common feature. The study concluded that while trichoscopy can aid in the rapid preliminary diagnosis of these diseases, it should complement, rather than replace, standard diagnostic methods like direct immunofluorescence and histopathology.
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