DETERMINATION OF THE PLEURAL EDGE BY GAMMA-RAY TRANSMISSION COMPUTED-TOMOGRAPHY

  • 1 January 1981
    • journal article
    • research article
    • Vol. 22  (9) , 815-817
Abstract
A technique is described for transaxial imaging of the thorax during pulmonary perfusion study. The contours of the air-containing lungs were obtained by .gamma.-ray transmission data from a 99mTc plane flood source. These images were overlaid on the emission tomogram of the pulmonary blood flow obtained with 99mTc macroaggregated albumin. It permits reliable detection of peripheral perfusion defects. Use of the results from the measurements can be applied to evaluate marginal hypoperfusions of the lung.