From dermoscopedia academy
Below are dermoscopic features commonly associated with the diagnosis “Spitz nevi”. 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 “Spitz nevi”.
Vascular pattern (pink homogenous with dotted vessels)
Starburst pattern (with tiered globules / streaks) (radial streaming)
The starburst pattern, indicating the radial growth phase of the tumor, consists of a central homogenous black-blue pigmentation surrounded by streaks, pseudopods, or finger-like projection regularly and symmetrically distributed at periphery.
Negative network (reticular depigmentation)
Serpiginous interconnecting broadened hypopigmented lines that surround elongated and curvilinear globules (a whitish grid surrounding the vessels).
White shiny lines (crystalline structures)
Shiny white lines that are often oriented orthogonally or in parallel to each other.
- 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