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Attenuation correction of PET images with respiration-averaged CT images in PET/CT.
251
Zitationen
10
Autoren
2005
Jahr
Abstract
The high rate of misalignment suggested a potential mismatch between the HCT and the PET data with the limited-breath-hold CT protocol. In the comparison of HCT and ACT, significant differences (>50%) in SUV were attributable to different breathing states between HCT and PET. The PET data corrected by ACT did not show breathing artifacts, suggesting that ACT may be more accurate than HCT for AC of the PET data.
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