Oral medicine: 7. red and pigmented lesions Dental Update Brown spots on the tongue Anales de Pediatra Congenital Melanotic Macule of the Tongue: A Five Year Follow up Dermatology Practical & Conceptual Congenital Melanotic Macule of the Tongue: Report of Two Cases and Literature Review Head and Neck Pathology Springer Nature Link Pigmented fungiform papillae, or papillary tip melanosis Registered Dental Hygienists Relative frequency of solitary melanocytic lesions of the oral mucosa Buchner 2004 Journal of Oral Pathology & Medicine Wiley Online Library