Dermoscopic clues in the diagnosis of amelanotic and hypomelanotic malignant melanoma

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 rep...

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Published inAnais brasileiros de dermatología Vol. 87; no. 6; pp. 920 - 923
Main Authors Steglich, Raquel Bissacotti, Meotti, Carolina Degeon, Ferreira, Mariana Silveira, Lovatto, Louise, de Carvalho, André Vicente Esteves, de Castro, Carlos Gustavo Carneiro
Format Journal Article
LanguageEnglish
Published Brazil Sociedade Brasileira de Dermatologia 01.11.2012
Subjects
Aged
DERMATOLOGY
Dermoscopy
Diagnosis, Differential
Female
Humans
Imaging In Dermatology
Male
Melanoma - pathology
Melanoma, Amelanotic - pathology
Middle Aged
Skin Neoplasms - pathology
Diagnóstico
Diagnosis, differential
Dermoscopia
Melanoma
Diagnóstico diferencial
Dermoscopy
Diagnosis
Melanoma, amelanotic
Melanoma amelanótico
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Summary: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.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
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ISSN:0365-0596
1806-4841
1806-4841
0365-0596
DOI:10.1590/S0365-05962012000600019