[Tongue tuberculosis as the first expression of the lung process].

Nowadays tuberculosis incidence seems to increase again after past decades fall. This event has been worsen because of the growth of resistances, basically due to patient's failure to comply with scheduled specific therapeutics. Anyway the decrease of tuberculosis leads initially to lowering of extrapulmonary forms, being the mouth cavity one of the most infrequent seat, so that location can be omitted at first glance diagnosis. We report one tongue tuberculosis case, which was the first expression of a lung tuberculosis, and discuss other manifestations within oral cavity and also the problems of some cases, as well as the best treatment.