Clinical and dermoscopic characterization of pediatric and adolescent melanomas: Multicenter study of 52 cases

Schematics with the main dermoscopic features of the 4 patterns. Dermoscopic patterns found in pediatric melanoma: Pattern 1, Multicomponent pattern, mostly found in non-Spitzoid melanomas associated with nevus. Asymmetric polychromic multicomponent pattern, with irregular globules, negative network and structureless areas and some regression features. Pattern 2, Nevus-like; only found in adolescents with non-Spitzoid melanomas. Symmetric 1 or 2 patterns, with a few melanoma local features. Pattern 3, Pink vascular Spitzoid pattern. Polymorphic vascular pattern and shiny white structures. Pattern 4, Atypical pigmented Spitzoid pattern. Asymmetrical distributed starburst or globular pattern with pseudopods at the periphery.257