Dermoscopy of melanoma according to different body sites: Head and neck, trunk, limbs, nail, mucosal and acral Figure 2 from Oral melanotic macule a case report. Semantic Scholar Labial Melanotic Macules DoveMed A school aged male child presented with a several month history of a solitary, asymptomatic pigmented lesion on the lower vermilion lip. O E: a 3 mm, well circumscribed blue gray papule with a smooth surface. Dermoscopy revealed Acquired Oral Hyperpigmentation: A Benign Finding or a Malignant Clue?