Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics 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 Labial melanotic macule Pigmented Lesions of the Oral Mucosa Springer Nature Link