Melanoacanthoma Masquerading as Melanoma: Case Reports and Literature Review

Melanoacanthoma is a benign epithelial tumor composed of melanocytes and keratinocytes that can morphologically mimic malignant neoplasms. Two patients with melanoacanthoma that clinically masqueraded as melanoma are described: a 65-year-old African-American woman with a pigmented nodule on the righ...

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Veröffentlicht in:Curēus (Palo Alto, CA) CA), 2019-06, Vol.11 (6), p.e4998
Hauptverfasser: Gutierrez, Nikolas, Erickson, Christof P, Calame, Antoanella, Sateesh, Brooke R, Cohen, Philip R
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creator Gutierrez, Nikolas
Erickson, Christof P
Calame, Antoanella
Sateesh, Brooke R
Cohen, Philip R
description Melanoacanthoma is a benign epithelial tumor composed of melanocytes and keratinocytes that can morphologically mimic malignant neoplasms. Two patients with melanoacanthoma that clinically masqueraded as melanoma are described: a 65-year-old African-American woman with a pigmented nodule on the right preauricular area and an 85-year-old Haitian-Creole man with a large exophytic nodule on his left lower abdomen. Melanoma was clinically suspected in both patients. Biopsies were performed, which established the diagnosis of melanoacanthoma. Complete removal of a melanoacanthoma should be considered since partial excision may result in recurrence.
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subjects Abdomen
Alcohol
Antigens
Case reports
Dermatology
Family medical history
Hepatitis
Inflammation
Literature reviews
Melanoma
Pathogenesis
Pathology
Patients
Skin cancer
Tumors
title Melanoacanthoma Masquerading as Melanoma: Case Reports and Literature Review
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