Oral malignant melanoma of the lower jawa case report with immunohistochemical investigations ecancer 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 JaypeeDigital eBook Reader Oral Mucosal Melanosis IntechOpen Pigmented lesions of the oral mucosa and perioral : Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, & Endodontics