Acral lentiginous melanoma
From dermoscopedia academy
Below are dermoscopic features commonly associated with the diagnosis “Acral lentiginous melanoma”.[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 “Palms and Soles”.
Parallel ridge pattern
Linear pigmentation of the ridges.[2]
Irregular diffuse pigmentation
Pigmented blotches of various shades of brown observed in some portions of the lesion.[3]
Multicomponent pattern
Abrupt edge, diffuse pigmentation, peripheral irregular globules and dots, multiple colors, atypical streaks in combination with localized areas exhibiting benign patterns (fibrillar, parallel furrow or lattice-like).[4]
Atypical fibrillar pattern
- ↑ 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
- ↑ https://dermoscopedia.org/Palms_and_Soles#Malignant_Patterns:
- ↑ https://dermoscopedia.org/Palms_and_Soles#Malignant_Patterns:
- ↑ https://dermoscopedia.org/Palms_and_Soles#Malignant_Patterns:
