Keratoacanthoma
From dermoscopedia academy
Below are dermoscopic features commonly associated with the diagnosis “Keratoacanthoma”.[1] 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
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
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]
- ↑ Fried LJ, Tan A, Berry EG, et al. Dermoscopy Proficiency Expectations for US Dermatology Resident Physicians: Results of a Modified Delphi Survey of Pigmented Lesion Experts. JAMA Dermatol. Published online January 06, 2021. doi:10.1001/jamadermatol.2020.5213
