Dermoscopy and reflectance confocal microscopy (RCM) improved accuracy in the diagnosis of both pigmented and non-pigmented basal cell carcinoma (BCC) in the early stages 1-4 . The classical dermoscopy algorithm includes lack of pigment network and the presence of at least one of the following criteria: ulceration, maple-leaf like areas, blue-gray globules, blue ovoid nests, arborizing vessels and spoke-wheel structures 5 . Our goal is to describe a new dermoscopic finding, negative maple-leaf like areas (NMLLA), which can be useful in the delimitation of BCC margins.

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PMID:27037974