Abstract #2170

Free-breathing Abdomen T2 mapping via Single-shot Multiple Overlapping-echo Acquisition and Deep Neural Network Reconstruction

Xi Lin¹, Qinqin Yang¹, Jianfeng Bao², Shuhui Cai¹, Zhong Chen¹, Congbo Cai¹, and Jingliang Cheng²

¹Department of Electronic Science, Xiamen University, Xiamen, China, ²Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, China

Quantitative T₂ mapping of abdomen has the potential for many clinical scenarios, such as for distinguishing cirrhosis and characterizing renal lesions. In this study, we applied overlapping echo acquisition together with deep learning-based reconstruction to achieving T₂ mapping of abdomen in single shot for the first time. The resulting abdominal T₂ values are in good agreement with the reported ones. This method makes high temporal resolution quantitative abdominal imaging possible, and has strong motion robustness.

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