Indian patient (mid 70s) with chief concern tongue is turning black. Swipe for more photos. These post inflammatory changes are more common in folks with more melanin in their skin. The underlying Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Congenital Melanotic Macule of the Tongue: Report of Two Cases and Literature Review Head and Neck Pathology Springer Nature Link Dentistry and Medicine: Pigmentation and Discoloration of Oral and Facial Tissues Oral Mucosal Melanosis IntechOpen