肺癌気管支鏡検査の昔今および偶発症

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  • A Comparison Between Rigid and Flexible Fiberoptic Bronchoscopy in the Cases with Lung Cancer
  • ハイガン キカンシキョウ ケンサ ノ ムカシ イマ オヨビ グウハッショウ ト

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During the 8 year period from 1954 to 1961, rigid bronchoscopy was successful to visualize the tumor only in 75 (34%) of 224 cases with definitive lung cancer. Cellular samples were obtained by bronchial lavage through the rigid bronchoscope and cytologic diagnosis was positive in 73 (96%) of the 75 cases with visible tumor and in 118 (79%) of 149 cases with invisible tumor.<br>For the past 6 years (1970-'75), flexible fiberoptic bronchoscopy was successful for revealing the tumor in 83 (66%) of 126 cases with lung cancer. Cellular samples were obtained by bronchial brushing through the flexible fiberoptic bronchoscope and cytologic diagnosis was positive in 81 (98%) of the cases with visible tumor, while in 21 (49%) of 43 cases with invisible tumor.<br>It could be concluded from the above that the percentage of success for visual diagnosis for bronchial cancer increased twice as much due to the introduction of flexible fiberoptic bronchoscope. However, positive cytological diagnosis could not always easily be obtained in case of lung cancer located beyond the visible extent of flexible fiberoptic bronchoscopy.

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