acantholytic acanthoma. m 60, scrotum

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  • 7/27/2019 Acantholytic Acanthoma. M 60, Scrotum

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    Acantholytic acanthoma

    (Epidermolytic acanthoma)

    Deba P Sarma, MDOmaha

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    M 60, solitary keratotic papule, scrotum

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    Comment

    Benign epidermal tumor with characteristichistologic picture of acantholytic hyperkeratosis:

    Compact hyperkeratosis, acanthosis, papillomatosis.

    Acantholysis with periperinuclear vacuolizationinvolving all layers of the epidermis except the

    basal layer

    Hypergranulosis with large basophilic keratohyaninegranules and intracytoplasmic amorphouseosinophilic bodies.