Relative frequency of solitary melanocytic lesions of the oral mucosa Buchner 2004 Journal of Oral Pathology & Medicine Wiley Online Library Brown spots, especially on the lips, can be alarming to some. In some instances it can indicate rare oral mucosal melanoma, however in this case it was a non cancerous labial melanotic macule. Oral pigmentation in children: a diagnostic challenge Archives of Disease in Childhood A Rare Case of Oral Mucosal Pigmentation: Differential Diagnosis and Case Presentation JCDA a Multifocal brown macules on the hard palate showing variation in Download Scientific Diagram