Labial Melanotic Macules in Two Pediatric Patients of Chinese Descent With Atopic Dermatitis Katsiaunis 2025 Pediatric Dermatology Wiley Online Library 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 Definition of melanocytic macules associated with Peutz Jeghers syndrome NCI Dictionary of Genetics Terms NCI Lip pigmentation Does anyone know what this black mark on my lip is? Started last August so it's I've had it nearly a year, was living in Spain at the time for 6 months Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360