Report of two cases of vacuolar interface dermatitis initially suspected as melanoma in situ and review of the literature

ABSTRACT The diagnosis of melanocytic lesions can be challenging and immunohistochemical study is a valuable tool for dermatopathologists. We report two cases initially simulating melanoma in situ, reviewing the histopathological and immunohistochemical findings and the cases published in the litera...

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Main Authors: Luciana Pantaleão (Author), Rosane Orofino-Costa (Author), Mariléia C. Torres (Author), Rossitza Lazova (Author), Mayra C. Rochael (Author)
Format: Book
Published: Sociedade Brasileira de Patologia Clínica.
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Summary:ABSTRACT The diagnosis of melanocytic lesions can be challenging and immunohistochemical study is a valuable tool for dermatopathologists. We report two cases initially simulating melanoma in situ, reviewing the histopathological and immunohistochemical findings and the cases published in the literature with similar findings/results. We emphasize the importance of clinicopathological correlation in the evaluation of lesions with interface changes and in the "pseudomelanocytic nests", which may simulate melanoma in situ. We also highlight the importance of using a immunohistochemistry panel in addition to Melan-A, in the study of these lesions.
Item Description:1676-2444
1678-4774
10.5935/1676-2444.20160015