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Abstract #2899

Reproducibility between 3D turbo spin-echo and 2D dual inversion recovery turbo spin-echo for coronary vessel wall imaging in Kawasaki disease

Koji Matsumoto1, Hajime Yokota2, Takafumi Yoda 1, Ryota Ebata3, Hiroki Mukai1, Yoshitada Masuda1, and Takashi Uno2
1Department of Radiology, Chiba University Hospital, Chiba, Japan, 2Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan, 3Department of Pediatrics, Chiba University Hospital, Chiba, Japan

We performed qualitative and quantitative evaluations of cross-sectional coronary vessel wall images collected by 3D-TSE and 2D-DIR-TSE in Kawasaki disease (KD) and assessed the reproducibility of both. Coronary vessel walls were evaluated separately in aneurysmal and normal regions. 3D-TSE was comparable to 2D-DIR-TSE in visual assessment and has reproducibility of 3D of lumen area (LA), wall area (WA), normalized wall index (NWI = WA / (LA + WA) ), and lumen-cardiac wall contrast measurements. 3D-TSE coronary vessel wall imaging can collect wide FOV and accurate cross-sectional images, and is feasible for following up the coronary arteries of KD.

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