Melanoma M (Zero): Diagnosis and Therapy

Table 1

Dermoscopic criteria for diagnosis of melanoma [9].

	Naevus	Melanoma
Pigment network	Reticular pattern with brown network small symmetrical holes and thin network lines	Black, brown, or gray network irregular holes and thick lines irregularly distributed and ending abruptly at the periphery
Dots/globules	Regular in size and shape and evenly distributed	Irregular dots and globules for the shape, size
Streaks	Regular and symmetrical and typical of Spitz or Reed nevi	Irregular and unevenly distributed
Irregular pigmentation	Not present	Black, brown, and gray pigmented areas with irregular shape and/or distribution
Regression structure	Not present	White scare-like areas, blue areas, or a combination of both
Blue-whitish veil	Not present	Confluent, irregular, and structureless area of whitish-blue diffuse pigmentation associated with pigmented network, dots, globules, and streaks.
Vascular pattern	Not present	Irregular hairpin vessels, dotted vessels, linear irregular vessels, or vessels within regression structures