Congenital Melanocytic Macule of the Tongue in a Newborn Cureus ORAL MELANOSIS leading to the diagnosis of HIV infection. Despite being a weak association, any unexplained oral pigmentation in a high risk individual should make one suspect HIV associated oral melanosis and proceed Black hairy tongue syndrome COM March 2009 Diagnosis UW School of Dentistry Can a black pigmented lesion of the oral cavity : Journal of Family Medicine and Primary Care