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Anais Brasileiros de Dermatologia
Print version ISSN 0365-0596
STEGLICH, Raquel Bissacotti et al. Dermoscopic clues in the diagnosis of amelanotic and hypomelanotic malignant melanoma. An. Bras. Dermatol. [online]. 2012, vol.87, n.6, pp.920-923. ISSN 0365-0596. http://dx.doi.org/10.1590/S0365-05962012000600019.
The clinical identification of amelanotic malignant melanoma (AMM) and hypomelanotic malignant melanoma (HMM) becomes difficult due to the lack of pigmentation and to the diverse clinical presentations. Dermoscopy is very useful in these cases, increasing the level of suspicion of malignancy. We report 4 cases of amelanotic malignant melanoma and hypomelanotic malignant melanoma with characteristic dermoscopic findings. Dermoscopy under polarized light demonstrates vascular polymorphism, globules and milky-red areas, in addition to chrysalis and multiple blue-gray dots.
Keywords : Dermoscopy; Diagnosis; Diagnosis, differential; Melanoma; Melanoma, amelanotic.