SummaryA case of respiratory tuberculosis with endobronchial perforation of a tuberculous adenitis but a normal standard x-ray is described.The finding of a single fluorescent bacillus in the sputum with a poor clinical condition of a patient was the only clue leading to the diagnosis.The bronchoscopic aspects and the x-ray abnormalities, including mediastinal tomography and bronchography are compared.The clinical implications of this observation arc discussed.