Dermatofibroma looks dermoscopically different on trunk versus extremities.
Brancaccio G, Nuzzo T, DI Maio R, Lallas A, Gambardella A, Lupoli A, Caccavale S, Alfano R, Tschandl P, Argenziano G. Dermatofibroma looks dermoscopically different on trunk versus extremities. G Ital Dermatol Venereol. 2017 Aug; 152(4):333-337.