Radiological Findings of Daughter Bronchi and Extent of Disease(<Special Issue>11th Ammual Congress of the Japan Society for Bronchology)

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  • 画像からみた気管支娘枝と関連疾患(気管支娘枝をめぐって)(第 11 回日本気管支学会総会特集)

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Increasing attention has been paid recently to the question of the extent and the direction of pathological changes in peripheral areas of the lung adjacent to the hilum. In terms of bronchial branching there are the principal axial bronchi and daughter bronchi, and while there have been studies to elucidate the difference between these roentgenologically and anatomically, there has been little understanding of this question in terms of imaging of respiratory physiology. Bronchography is one method by which it is possible to visualize daughter bronchi and the present study compared the results of preoperative bronchography with the resected fixed lung specimen to examine the results of bronchography in central daughter bronchi. As has previously been reported, bronchographic imaging of peripheral daughter bronchi extending from sites more central than the site of obstruction is good, and it was also satisfactory in cases without peripheral obstruction. High resolution imaging of central daughter bronchi is also possible. Furthermore, primary lesions in peripheral lung around the hilum were recognized.

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