Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management ScienceDirect PDF) Lingual melanotic macule the first case report in an adult patient Olanzapine Induced Black Hairy Tongue During Treatment of Hebephrenic Schizophrenia Decompensation: A Rare Case Report and Brief Review of the Literature Cureus Melanotic macules of the tongue in a newborn ScienceDirect Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review A Case Report of Black Hairy Tongue (Melanotrichia Linguae or Lingua Pilosa Nigra) Cureus