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Page 1: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign

Acantholytic acanthoma (Epidermolytic acanthoma)

Deba P Sarma, MD

Omaha

Page 2: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign

M 60, solitary keratotic papule, scrotum

Page 3: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign
Page 4: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign
Page 5: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign
Page 6: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign
Page 7: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign
Page 8: Acantholytic acanthoma (Epidermolytic acanthoma) · Acantholytic acanthoma (Epidermolytic acanthoma) Deba P Sarma, MD Omaha M 60, solitary keratotic papule, scrotum Comment Benign

Comment

Benign epidermal tumor with characteristic histologic picture of acantholytic hyperkeratosis:

Compact hyperkeratosis, acanthosis, papillomatosis.

Acantholysis with periperinuclear vacuolization involving all layers of the epidermis except the basal layer

Hypergranulosis with large basophilic keratohyanine granules and intracytoplasmic amorphous eosinophilic bodies.


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