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Abstract #2351

Feasibility of free-breathing DCE-MRI: Phantom studies to compare VIBE, Radial-VIBE, and CAIPIRINHA-VIBE

Chang Kyung Lee 1 , Bohyun Kim 1 , Nieun Seo 1 , Jeong Kon Kim 1 , In Seong Kim 2 , Berthold Kiefer 3 , and Kyung Won Kim 1

1 Radiology, Seoul Asan Medical Center, Seoul, Seoul, Korea, 2 Siemens Healthcare, Seoul, Seoul, Korea, 3 Siemens Healthcare, Erlangen, Erlangen, Germany

We compared the breathing motion artifact and signal stability of conventional VIBE, Radial-VIBE with KWIC view-sharing, and CAIPIRINHA-VIBE with moving phantom to simulate breathing motion. Among the three sequences, the CAIPIRINHA-VIBE showed the best image quality, in that the phantom images maintained its shape and just moved its position anteriorly/posteriorly. Thus, the motion correction could align the CAIPIRINHA-VIBE images very well. In terms of signal stability, the CAIPIRINHA-VIBE with motion correction was the best. In conclusion, CAIPIRINHA-VIBE is quite feasible for free-breathing DCE-MRI with high image quality and high temporal resolution.

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