Table 1.

Reflectance confocal microscopy features considered positive for lentigo maligna at the edges in this study

	RCM features
Guitera et al.13	Major criteria	Non-edged dermal papillae
		Round large pagetoid cells
	Minor criteria	Nucleated cells in dermal papillae
		Nucleated cells in dermal papillae
		Atypical cells at DEJ
		Follicular localization of atypical cells
		Broadened honeycomb pattern (negative feature)
Champin et al.15	Single large round or a large dendritic cell
Yélamos et al. (current study)	Atypical dendritic cell (any size) continuing from the LM trailing edge

Abbreviations: DEJ, dermal-epidermal junction; LM, lentigo maligna; RCM, reflectance confocal microscopy