Abstract #2035

Free-Breathing Hepatobiliary Phase Imaging: Comparison of Five Free-Breathing Scans with Conventional Breath Hold Scan

Kimihiro Kajita¹, Satoshi Goshima¹, Yoshifumi Noda¹, Hiroshi Kawada¹, Tomoyuki Okuaki², Masatoshi Honda³, Nobuyuki Kawai¹, Hiromi Koyasu¹, and Masayuki Matsuo¹

¹Radiology, Gifu University Hospital, Gifu City, Japan, ²Philips Healthcare, Tokyo, Japan, ³Philips Electronics Japan, Tokyo, Japan

We applied five free-breathing scan sequences to gadoxetic acid-enhanced hepatobiliary phase imaging. Breath hold eTHRIVE demonstrated the highest SNR on the liver, although it is also revealed the disadvantage for the patients with unstable breath hold. On the other hand, free-breathing 3D VANE with gate and track demonstrated the highest image quality with equivalent SNR to breath hold eTHRIVE. It is notable that free-breathing 3D VANE produced steady and effective image quality for all patients regardless of breath hold ability.

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