Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics a Multifocal brown macules on the hard palate showing variation in Download Scientific Diagram Pigmented Lesions of the Oral Mucosa Springer Nature Link PIGMENTED NODULAR MALIGNANT MELANOMA (PNMM): A neural crest derived tumor that is considered the deadliest of the oral cavity. To clinically test if a pigmented oral lesion is melanoma, simply wipe the