<SUP>133</SUP>Xe-Radiospirometry and lung cancer-A tentative nomogram to detect subsegmental obstructions.

概要

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Forty cases of primary lung cancer were studied by 133 Xe-Radiospirometry. From the ventilation distribution (V%), volume distribution (V%) and perfusion distribution (Q%) to the involved hemithorax we produced a tentative nomogram to predict the number of obstructed subsegments on the assumption that 133 Xe distributed equally in each subsegment.<BR>The number of subsegmental obstructions predicted with V %, V % or Q % correlated significantly with the bronchographically observed number of subsegmental obstructions, irrespective of the location of the lesion.<BR>This nomogram was found to be useful to detect the extention of lung cancer, though there was a tendency to slightly overestimate lesions in the upper lobe and underestimate lesions in the lower lobe.
特定非営利活動法人日本肺癌学会の論文