Dermoscopy of nails
From dermoscopedia academy
Editing Lentigo of the nail (melanotic macule of the nail)
Below are dermoscopic features commonly associated with the diagnosis “Lentigo of the nail (melanotic macule of the nail)”.[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 “Nail unit lentigo”.
Multiple thin homogenous gray lines (or single gray band) +/- gray background
Subungual hemorrhage
Below are dermoscopic features commonly associated with the diagnosis “Subungual hemorrhage”.[2] 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 “Subungual hemorrhage”.
Well circumscribed red-black dots or blotches
Distal streaks of red-brown coloration (“filamentous” distal end)
Homogenous red/purple/black coloration without melanin
- ↑ 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
- ↑ 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
