Brown lesion on the tongue of a child Ohta 2024 Oral Diseases Wiley Online Library A Case Report of Black Hairy Tongue (Melanotrichia Linguae or Lingua Pilosa Nigra) 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 Melanotic macules of the tongue in a newborn ScienceDirect