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 Full article: Melanosis of the Tongue Oral pigmentation in children: a diagnostic challenge Archives of Disease in Childhood Tongue Discoloration New England Journal of Medicine Congenital Melanotic Macule of the Tongue: A Five Year Follow up Dermatology Practical & Conceptual