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Abstract #1525

Comparison of CAIPIRINHA-VIBE, Radial-VIBE, and conventional VIBE for free-breathing dynamic contrast-enhanced MRI (DCE-MRI): a preliminary study

Nieun Seo 1 , Seong Joon Park 1 , Bohyun Kim 1 , Chang Kyung Lee 1 , Jisuk Park 1 , In Seong Kim 2 , and Berthold Kiefer 3

1 Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea, 2 Siemens Healthcare, Seoul, Korea, 3 Siemens Healthcare, Erlangen, Germany

Dynamic contrast-enhanced (DCE)-MRI has emerged as an important method for evaluating tumor blood flow and treatment response to antivascular agents. However, it is difficult to acquire good DCE-MRI of abdomen or thorax due to the respiratory motion. To overcome the respiratory motion artifact, we evaluated the feasibility of free-breathing dynamic contrast-enhanced MRI (DCE-MRI) of the abdomen and thorax at 3.0 T using CAIPIRINHA-VIBE and radial VIBE with KWIC reconstruction. Our results showed that they can overcome respiratory motion while providing high spatial and temporal resolution.

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