Solitary pigmentation of the tongue: lentigo simplex or pigmented fungiform papilla? Unusual Extensive Physiologic Pigmentation of the Tongue: A Case Report Cureus Can a black pigmented lesion of the oral cavity : Journal of Family Medicine and Primary Care 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 Simple cryosurgical treatment of the oral melanotic macule ScienceDirect Congenital Melanotic Macule of the Tongue: Report of Two Cases and Literature Review Head and Neck Pathology Springer Nature Link