Dermatoscopy and locally advanced or multiple basal cell carcinomas: a non-invasive tool to evaluate sonidegib effectiveness

摘要

To the Editor:Total body mapping (TBM) videodermatoscopy is anoninvasive and rapid examination that allowsclinical and dermatoscopicmonitoring of pigmentedlesions.This tool has long been used for the follow-up of patients with melanoma，dysplastic nevussyndrome, or patients with more than 100 moles [1].No studies, however, report its use for keratinocytictumors because they are usually treated with topicalor surgical treatments after being diagnosed.However, in case of locally advanced and/or multiplebasal cell tumors，TBM allows to photograph theentire patient in different positions, acquiring bothclinical and dermatoscopic images of the BCCspresent.