A Rare Case Report on Oral Melanoacanthoma

Abstract

Abstract Introduction - Melanoacanthoma of the oral cavity is rare benign reactive pigmented lesion. It has been recently considered as a distinct entity in the World Health Organization (WHO) classification. Oral melanoacanthomas are reactive and not related to seborrheic keratosis unlike their cutaneous counterparts which are variant of pigmented seborrheic neoplastic in nature. These lesions are characterized by hyperplasia of dendritic melanocytes dispersed throughout an acanthotic epithelium with buccal mucosa being the most common location. Case History - An 81 year old female presented to us with complaint of blackish patch on hard palate. The patient underwent biopsy and the histopathological diagnosis of Melanoacanthoma was given. Conclusions - To the best of our knowledge this is first such case of Melanoacanthoma on the hard palate in Indian subcontinent.