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Dermatology Online Journal

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Multinucleate cell angiohistiocytoma: a new case report with dermoscopy

Abstract

Multinucleate cell angiohistiocytoma (MCA) is a benign fibrohistiocytic and vascular proliferation usually located on the extremities. It may be underdiagnosed owing to lack of recognition by clinicians and pathologists. We report a 48-year-old man with asymptomatic grouped reddish papules on the dorsum of his right hand for 8 years. Histopathological and immunohistochemical examinations revealed features of MCA with a fibrohistiocytic cell infiltrate in the dermis and multinucleate cells in the stroma. Recently, the dermoscopy aspects of MCA have been described. We add another observation of this useful tool and correlate it with clinical evolution.

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