In the study of the roentgenograms of the chest of patients who have had a bismuth or barium meal for gastro-intestinal study, one occasionally encounters a startling picture of the bronchi outlined by barium. This accident is due to a fistulous tract caused by ulceration of the esophagus into the trachea. It has been noticed in these patients that fits of coughing occur during the swallowing of the barium. We have learned to look for ulceration of the esophagus in patients who suddenly begin to cough during a gastro-intestinal examination.
Jackson1 of Philadelphia introduced bismuth subcarbonate in finely powdered form through a bronchoscope into the lobe of the lung that he wished to study. He obtained excellent roentgenograms by this method. Owing to the fact that bronchography through a bronchoscope requires the greatest skill, it was natural that such a practice did not become popular. Since the introduction of
SINGER JJ. BRONCHOGRAPHY: INJECTION OF IODIZED OIL, 40 PER CENT. Arch Surg. 1927;14(1):167–174. doi:10.1001/archsurg.1927.01130130171008
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