Dermoscopic clues in the diagnosis of amelanotic and hypomelanotic\nmalignant melanoma
Patient 1: A 55-year-old female shows an infiltrated, pseudo-vesicular\nplaque with well defined borders, 2 X 1,5cm of diameter, on the proximal region of the\nleft arm (). Small erythematous papules\nare seen on the periphery of the lesion. Dermoscopy under polarized light (DPL):\nchrysalis, linear-irregular vessels, globules and milky-red areas ( and ).\nHistopathology: nodular AMM, Breslow 11,0 mm, Clark V, with epidermotropic melanoma\nmetastasis. Simultaneously, presents basal cell carcinoma (BCC) on the frontal region.