- M A Crovetto de la Torre: Servicio de ORL, Hospital de Basurto, Bilbao.
Tuberculosis is endemic in Spain and the primary site is pulmonary in 70% of cases. Extrapulmonary foci have increased in frequency and the incidence of tuberculous middle otitis, which often is difficult to diagnose, is about 0.04%. A case of chronic tuberculous middle otitis is reported.