Keratoacanthoma

From dermoscopedia academy

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 Editor: User:N.N.

 Author(s): Lauren Fried
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Description Below are dermoscopic features commonly associated with the diagnosis “Keratoacanthoma”. 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 features, please see the Dermoscopedia page for "Keratoacanthoma".

Author(s) Lauren Fried
Responsible author N.N.→ send e-mail
Status editing
Status update July 27, 2020
Status by Ralph P. Braun


Below are dermoscopic features commonly associated with the diagnosis “Keratoacanthoma”. 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 features, please see the Dermoscopedia page for "Keratoacanthoma".

Central keratin mass[edit]

Centrally located, amorphous, yellow-white to light brown areas without any recognizable structure.[1]

Hairpin (looped) or serpentine (linear-irregular) blood vessels, usually at the periphery, with white-yellow halo[edit]

Hairpin (looped) vessels are characterized by vessels that resemble hairpins, consisting of a U-shape with a sharp bend at one end. Linear irregular or serpentine vessels are red vascular structures with a range of size, shape, and distribution.[2]