A rare case of melanotic hyperpigmentation of the tongue secondary to radiotherapy Congenital lingual melanotic macule: an underreported entity? European Journal of Pediatric Dermatology 05 May 03 Eng 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 Asymptomatic hyperpigmented lesions on tongue Indian Journal of Dermatology, Venereology and Leprology case 348 what's black hairy tongue? lingua villosa Nigra, tetracycline, melanosis, leucoplakia ,navi