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    Oculoplastics/Orbit

    Example of a positive margin on the right specimen edge following Slow Mohs excision. Melan-A/MART-1 immunohistochemical staining strongly highlights an increased number of melanocytes at the dermal-epidermal junction, with multifocal confluence and scattered structures, consistent with small nests of abnormal cells. There is also prominent extension along adnexal epithelium.