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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