. The American journal of roentgenology, radium therapy and nuclear medicine . ntv min-utes after the injection. As some of the bis-muth had leaked downward into the lowerlobe branches, it was impossible to statewhether or not the bismuth started immedi-ately to be expelled outward, as in the firstpatient, or whether it had gravitated into thelower lobe branches after it started to beexpelled. The patient was studied from time to timewith the fluoroscopic screen and furtherroentgenograms taken. At the end of oneweek there was still bismuth present, both inthe abscess cavity and in the lower lo


. The American journal of roentgenology, radium therapy and nuclear medicine . ntv min-utes after the injection. As some of the bis-muth had leaked downward into the lowerlobe branches, it was impossible to statewhether or not the bismuth started immedi-ately to be expelled outward, as in the firstpatient, or whether it had gravitated into thelower lobe branches after it started to beexpelled. The patient was studied from time to timewith the fluoroscopic screen and furtherroentgenograms taken. At the end of oneweek there was still bismuth present, both inthe abscess cavity and in the lower lobe ofthe lung wdiere no abscess existed; thislooked somewhat like an abscess cavity, butwas seen roentgenographically as an irregu-lar area of opaque dullness, and did not havethe metallic luster of the bismuth in the ab-scess ; this is one of the distinguishing pointsbetween infiltration of bismuth into the lobu-lar structure of the lung and bismuth in anabscess cavity. The patient improved after the injection, Roentgenographic Studies of Bronchiectasis and Lung Abscess 55. Fig. 8. Case hi. Immediately after Fk;. 9. Case hi. Bronchiectasis Six Weeks After Injection. A. Cavities mapped out with bismuthsuspended in sweet oil. B. Resected ril)s. Thickenedpleura. C. Thickened pleura. Right diaphragmhooked up with adhesions. Injection. A. Involved area of lung free frombismuth. B. Resected rilis. Thickened pleura. pleura, diaphragm caught in mass ofadhesions. in a manner similar to Case I. The pus de-creased from her lung, and the amount ofmeasured sputum in twenty-four hours de-creased from 250 to 30 The odor wasdecidedly less and the patients general healthimproved. Bismuth was still present in the lung whenfluoroscoped ten days after injection, al-though both shadows were diminishing indensity and the lung abscess was apparentlyclearing up. The patient suffered no discomforts fol-lowing two injections of bismuth into herlung. She ate and sle


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