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Postinjection Transmission Scanning in Myocardial 18F-FDG PET Studies Using Both Filtered Backprojection and Iterative Reconstruction

Arno P. van der Weerdt, MD1, Ronald Boellaard, PhD2, Paul Knaapen, MD1, Cees A. Visser, MD1, Adriaan A. Lammertsma, PhD2 and Frans C. Visser, MD1

1 Department of Cardiology, Institute for Cardiovascular Research-VU, VU University Medical Center, Amsterdam, The Netherlands
2 PET Center, Institute for Cardiovascular Research-VU, VU University Medical Center, Amsterdam, The Netherlands



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FIGURE 1. Scatter plots of the correlation between FBP-Pre and FBP-Post (A), FBP-Pre and FBP-PostTIS (B), FBP-Pre and FBP-PostDP (C), and FBP-Pre and OSEM-Pre (D). R2 = 0.94, 0.94, 0.98, and 0.99, respectively. The solid line in the figures represents the line of unity.

 


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FIGURE 2. Mean ratio of 18F-FDG activity between corresponding segments from FBP-Post (A), FBP-PostTIS (B), FBP-PostDP (C), and OSEM-Pre (D) and those of FBP-Pre.

 


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FIGURE 3. Limits of agreement for normalized segmental 18F-FDG uptake in FBP-Pre and FBP-Post (A), FBP-PostTIS (B), FBP-PostDP (C), and OSEM-Pre (D). Horizontal lines represent the mean difference and mean ± 2 SD. (A) Mean = -1%; 2 SD = 10%. (B) Mean = -1%; 2 SD = 11%. (C) Mean = 0%; 2 SD = 8%. (D) Mean = 1%; 2 SD = 4%.

 





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