Congenital Melanotic Macule of the Tongue: Report of Two Cases and Literature Review Head and Neck Pathology Springer Nature Link Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 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 Springer Nature Link