Mystery behind labial and oral melanotic macules: Clinical, dermoscopic and pathological aspects of Laugier Hunziker syndrome A cross sectional study of physiologic volar melanotic macules: Demographic, historical, clinical, and dermatoscopic features of a common yet neglected pigmentary variant in individuals with skin of color Journal of the American Brasil Melanoacanthoma of the nipple: two cases with unique clinical presentations Melanoacanthoma of the nipple: two cases with unique clinical presentations 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