気管支鏡下に摘出した気管支結石の2例 カルシウム分析を中心に

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  • Two Cases of Broncholithiasis Removed by Bronchofiberscopy.

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Two cases of broncholithiasis, removed bronchoscopically, are reported.<br>Case 1 was a 38-year-old female who was admitted with hemoptysis. The chest tomogram showed calcification near the right middle lobe bronchus. Bronchoscopy revealed a broncholith in B4. Component analysis showed that more than 98% of this stone consisted of calcium carbonate.<br>Case 2 was a 75-year-old male who was hospitalized because of continuous cough. The chest radiograph showed calcification and atelectasis in the right upper lobe. Bronchoscopically, right B3 was obstructed by a broncholith. After removal of the stone, the distal part of B3 was noted to be filled with pus. Analysis of the stone's composition revealed calcium phosphate (77%) and calcium carbonate (230).

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