A Rare Case of Melanosis of the Hard Palate Mucosa in a Patient with Chronic Myeloid Leukemia Romeo 2015 Case Reports in Dentistry Wiley Online Library Pigmented Lesions of the Oral Cavity Pocket Dentistry COM Dec. 2011 Diagnosis UW School of Dentistry ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production COM March 2009 Diagnosis UW School of Dentistry