Primary malignant melanoma of the tongue CJS Oral Mucosal Melanosis IntechOpen case 348 what's black hairy tongue? lingua villosa Nigra, tetracycline, melanosis, leucoplakia ,navi A) Hairy black tongue. (B) Linea alba. (C) Oral melanotic macule. (D) Download Scientific Diagram A rare case of melanotic hyperpigmentation of the tongue secondary to radiotherapy 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