Exclamation mark hairs L67.9

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Comma hair; Pelade Hair

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0.2-0.7 cm short hair with trichorrhexis-like split free ends tapering towards the follicle. These hairs occur individually or in small groups in the peripheral areas or in the middle of active and progressive Alopecia areata foci. They are an important sign for the diagnosis "Alopecia areata".

Incoming links (3)

Comma hair; Hair carcassed; Pelade hair;

Outgoing links (1)

Alopecia areata (overview);


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 29.10.2020