Table 15. . Multistep algorithm to identify MIS using dermoscopy and confocal features.

Imaging modality	Criteria	Point(s)
Dermoscopy	Atypical network	+1
	Regression	+1
RCM	Pagetoid infiltration	+1
	Cytologic atypia	Focal: +1 Widespread: +2
	Dense nests	-1
	Melanophages	-1

RCM: Reflectance confocal microscopy.