Table 1.

Common melanoma-specific criteria for melanoma in situ and invasive melanoma detection according to the anatomic site of the body based on [2].

Anatomic Site	Criterion	Description	Frequency
Trunk, extremities	Multicomponent pattern	Combination of few dermoscopic structures	Very common
	Atypical pigment network	Irregular brown to black network	Very common
	Irregular dots and globules	Black or brown oval structures	Common
	Irregular streaks	Irregular linear structures	Common
	Irregular pigmentation	Pigmented areas with irregular size and distribution	Common
Face	Reticular pattern	Diffuse pigmentation of the erpidermis or papillary dermis	Always present
	Atypical pigment pseudonetwork	Advanced morphological structures by melanoma progression	Always present
Palms and soles	Parrallel-ridge pattern	Pigmentation along the cristae superficiales	Very common
	Irregular dots/globules	Black or brown oval structures	Common
	Irregular pigmentation	Pigmented areas with irregular size and distribution	Common