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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Synonym(s)

Comma hair; Pelade Hair

Definition
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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);

Disclaimer

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

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer

Images (2)

Alopecia areata : cadaveric (comedone-like aspect) and exclamation mark hairs (see below right).

Exclamation mark hairs. reflected light microscopy (Alopecia areata in a 10-year-old girl): Short...

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