Atypical genital nevus

Nevus genital atípico

A 22-year-old patient who consulted for presenting a pigmented papule on the left major lip. The pathology shows an atypical genital cell nevus with the presence in the dermoepidermal junction of a proliferation of atypical and theca melanocytes with loss of cell cohesion. Diagnostic criteria, histopathological parameters and differential diagnosis are discussed.

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