Radiology, Vol 197, 539-542, Copyright © 1995 by Radiological Society of North America

ARTICLES

Reproducibility of quantitative, spirometrically controlled CT

P Kohz, A Stabler, T Beinert, J Behr, T Egge, A Heuck and M Reiser
Department of Diagnostic Radiology, Grosshadern Clinic, University of Munich, Germany.

Quantitative spirometrically controlled computed tomography (with 1-mm- thick sections) was performed twice (with a 5-minute break) in 24 adult patients with pulmonary disease to objectively evaluate parenchymal changes in the lung. Twelve measurements of attenuation were made on apical, carinal, and basal scans (right, left, total of each level, total right, total left, total of all three scans), obtained at 50% vital capacity. Since differences in measurements between the first and second examination were not significant, the method provides highly reproducible results.

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