Med Oral Patol Oral Cir Bucal 2005 Jan-Feb;10(1):11-2; 9-11
Centro de Medicina Oral de Guatemala, Ciudad de Guatemala, Guatemala.
Oral melanoacanthosis (MA) is a rare pigmented mucosal lesion that is considered the counterpart of cutaneous melanoacanthoma. Microscopically the superficial epithelium shows mild to moderate acanthosis, spongiosis and prominent dendritic melanin producing melanocytes, which are present throughout the spinous keratinocytes. Reported cases show predilection for black females and the most common locations in decreasing frequency are buccal mucosa, lip, palate and gingiva. Read More