Oral Congenital Melanocytic Nevi: A Rare Finding Consultant360 Simple cryosurgical treatment of the oral melanotic macule ScienceDirect What Caused These Multiple Hyperpigmented Macules of the Mouth? A 9 year old boy presented for evaluation of dark spots on the tongue. The family first noted these spots 5 months prior and reported that they remained stable. Can you make a diagnosis? 05 May 03 Eng Oral Mucosal Melanosis IntechOpen