Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Melanotic Macules of Oral Mucosa DoveMed Pigmented Lesions of the Oral Mucosa Pocket Dentistry Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with Pigmented Lesions of the Oral Mucosa Pocket Dentistry