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Abstract #0895

Optimization of scan parameters to reduce acquisition time for resolve-based DKI in NPC

Yaoyao He1, Hao Chen1, Huiting Zhang2, Robert Grimm2, Cecheng Zhao3, Xiaofang Guo1, Yulin Liu1, and Zilong Yuan1
1Hubei Cancer Hospital, Wuhan, China, 2Siemens Healthcare, Erlangen, Germany, 3Huazhong Agricultural University, Wuhan, China

This study aimed to shorten acquisition time of RESOLVE-based diffusion kurtosis imaging (DKI) in nasopharyngeal carcinoma (NPC), and we explored the influence of b value combinations on the scan time and parameters from DKI. The results showed that the group with b-value (200, 400, 800, 2000) had excellent agreement with the actual acquisition with b-value (200, 400, 800, 1500, 2000) and the scan time saved 28% (3min46s vs 5min13s), and was recommended in the clinical DKI research in NPC.

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