Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management ScienceDirect Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Acquired melanosis with hypertrichosis and intralesional acne in a 21 year old male patient: A treatment strategy ORAL MELANOSIS leading to the diagnosis of HIV infection. Despite being a weak association, any unexplained oral pigmentation in a high risk individual should make one suspect HIV associated oral melanosis and proceed