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PO-0864: Gated reconstruction in 18FDG PET-CT quantitative imaging: impact on SUV estimation in lung tumors
Radiotherapy and Oncology
Results: The DIR performs well visually and the sum of squares for the difference between the deformed CTs and the real CTs ranged between 4x10 9 and 5x10 9 . For comparison, the difference between four volumes in which only noise generates differences between the images, gave a comparable SQD of around 3.7 x 10 9 . For all the image pairs, the SQD of the deformed CTs is approximately half of that of the non-registered images (ranging from 0.45 to 0.59). Conclusions: A limitation of an US baseddoi:10.1016/s0167-8140(15)33170-4 fatcat:cfrauvrlgfhdxbvtgbprfqtpnq