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

trichoscopy autoimmune bullous diseases pemphigus vulgaris pemphigus foliaceus bullous pemphigoid dermatitis herpetiformis scalp extravasations direct immunofluorescence histopathology

Studysummary This study reported that trichoscopy revealed distinctive patterns across different autoimmune bullous diseases, suggesting it can be a useful preliminary diagnostic tool for differentiating these conditions. Our plain-language summary of this paper — not a Tressless recommendation.

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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