Semiquantitative 67Ga Scintigraphy as an Indicator of Response to and Prognosis After Corticosteroid Treatment in Idiopathic Interstitial Pneumonia
Karin Grijm, MD1,2,
Hein J. Verberne, MD3,
Frans H. Krouwels, MD, PhD1,
Frank R. Weller, MD, PhD1,
Henk M. Jansen, MD, PhD1 and
Paul Bresser, MD, PhD1
1 Department of Respiratory Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
2 Department of Respiratory Medicine, Erasmus Medical Center, University of Rotterdam, Rotterdam, The Netherlands
3 Department of Nuclear Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands

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FIGURE 1. 67Ga uptake before and after treatment with methylprednisolone.
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FIGURE 2. Correlation of initial 67Ga uptake (A) and change in 67Ga uptake after treatment (B) (y-axis) with percent change ( ) in FVC 1 y after start of treatment with 3 courses of high-dose methylprednisolone (x-axis). Change in 67Ga uptake is defined as difference between 67Ga uptake before treatment and 67Ga uptake after treatment and is expressed as percent change from baseline.
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Copyright © 2005 by the Society of Nuclear Medicine.