%0 Journal Article %T Melanoma in situ mimicking a Lichen planus-like keratosis %A Amgiad Fallaha %A Andrea Sisti %A Giuseppe Nisi %A Juri Tassinari %A Klaus Eisendle %A Luca Grimaldi %J Archive of "Acta Bio Medica : Atenei Parmensis". %D 2017 %R 10.23750/abm.v88i4.5699 %X The incidence of melanoma has steadily increased over the past three decades. Melanoma in situ (MIS), defined as melanoma that is limited to the epidermis, contributes to a disproportionately high percentage of this rising incidence. Amelanotic melanoma presents as an erythematous macule or plaque and may initially be misdiagnosed as an inflammatory disorder. We report a case of amelonatic MIS raised on non-sun-exposed skin, inducing a lichen planus-like keratosis as inflammatory reaction, which clinically masked the melanoma. (www.actabiomedica.it %K dermoscopy %K lichen planus-like keratosis %K melanoma in situ %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6166163/