Actinic keratosis

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 Editor: Ralph P. Braun

 Author(s): Lauren Fried

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Description	Below are dermoscopic features commonly associated with the diagnosis "Actinic keratosis". The example images have been approved by a panel of experts as representative of each given feature. For a more in-depth discussion of associated dermoscopic features, please see the Dermoscopedia page for "Actinic keratosis".
Author(s)	Lauren Fried
Responsible author	Ralph Braun → send e-mail
Status	unknown
Status update	This page has not yet been assessed.
Status by	Ralph P. Braun

Actinic keratosis, Ak, Scale, Strawberry pattern, Rosette sign, Rosettes Actinic keratosis – cite! Actinic keratosis (message) Actinic keratosis – participate!

Below are dermoscopic features commonly associated with the diagnosis "Actinic keratosis". The example images have been approved by a panel of experts as representative of each given feature.

For a more in-depth discussion of associated dermoscopic features, please see the Dermoscopedia page for "Actinic keratosis".

Rosette sign

White four-leaf clover-shaped structure; can only be seen with polarized dermoscopy.[1]

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Surface scale

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Strawberry pattern (pink-red pseudonetwork +/- fine, wavy vessels (straight or coiled) surrounding hair follicles +/- white circles with central yellow clod (targetoid hair follicles))

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