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Abstract #4349

A navigator-guided novel motion correction method in simultaneous PET/MR abdominal imaging

Lin Qiu1, Wujian Mao1, Yuhang Shi2, Tuoyu Cao3, Lingzhi Hu3, Tao Feng3, and Hongcheng Shi1

1Department of Nuclear Medicine, Zhongshan Hospital, Shanghai, China, 2United Imaging Healthcare, Shanghai, China, 3UIH America, Houston, TX, United States

Simultaneous PET/MR abdominal imaging suffers from respiratory artifacts which causes motion blur of the PET images, further affecting clinical diagnosis. To eliminate motion blur, the work presents a novel PET image motion correction method by optimizing attenuation maps with navigators. The method significantly improves the image quality as well as the work flow and demonstrates its clinical value in detecting lesion in the liver.

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