Systematic Evaluation of the Impact of Involuntary Motion in Whole Body Dynamic PET
Systematic Evaluation of the Impact of Involuntary Motion in Whole Body Dynamic PET
复制标题
全身动态 PET 中不自主运动影响的系统评估
DOI:
10.1109/nss/mic44867.2021.9875689
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Biguri A
中科院分区:
文献类型:
--
作者:
Biguri A
Involuntary patient motion can happen in dynamic whole body (DWB) PET due to long scanning times, which may cause inaccurate quantification of tissue parameters. To quantify the impact on Patlak parameters, we simulated dynamic data using patient-derived motion fields, systematically introducing the motion at different passes of the dynamic scan, both inter and intra-frame. Estimated parameters are compared against the ground truth. Results show that errors can be large, even for small motion. Caution is advised when quantitatively evaluating DWB-PET images, if any motion has been detected.
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