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JAMA. 1950;144(15):1262. doi:10.1001/jama.1950.02920150036011.
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Bronchoscopy should always be determined by the lung specialist, and only on rare occasions by the bronchoscopic expert, according to Nils Froste1 of the Central Sanatorium in Sandtrask. On the other hand, he may determine contraindications or reject bronchoscopy because nothing can be gained from it in certain cases. An effort was made by Froste to observe whether bronchoscopy is a diagnostic and therapeutic aid in pulmonary tuberculosis and whether the method presents too great a detriment or hazard to the patient. This is particularly pertinent when paraaminosalicylic acid and streptomycin are used in the treatment of bronchial conditions.

As a result of over one thousand bronchoscopic examinations on 420 patients, Froste notes debilitation and extensive laryngeal tuberculosis as contraindications. As a rule, perforations can be recognized early. Later, ulcerations make them indistinguishable from mucous membrane tuberculosis. In 88 cases bronchoscopic changes were not observed; in 52 cases nonspecific


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