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Abstract #4768

Utility of Non Contrast 3D Volumetric Time-Resolved MRA combining Multiple Phase FAIR (CINEMA-FAIR) as a diagnostic tool for intracranial AVM and AVF in comparison with CE-dMRA

Akio Tsukabe 1 , Yoshiyuki Watanebe 1 , Hisashi Tanaka 1 , Yuuki Kunitomi 1 , Mitsuo Nishizawa 1 , Noriyuki Tomiyama 1 , and Masanobu Nakamura 2

1 Diagnostic and Interventional Radiology, Osaka University Graduate School of Medicine, Suita, Japan, 2 Philips Electronics Japan, Japan

Recently 3D volumetric non contrast time-resolved MRA technique termed Contrast inherent inflow enhanced multi phase angiography combining multiple phase FAIR (CINEMA-FAIR) was proposed. CINEMA technique combines ASL with 3D segmented T1 weighted gradient echo sequence. FAIR preparation scheme with the Look-Locker sampling was used for spin tagging in this study. This study assessed the utility of CINEMA-FAIR as a diagnostic tool for intracranial AVF and AVM compared with contrast-enhanced dynamic MR angiography (CE-dMRA). CINEMA-FAIR could show comparable result from many view points, but was inferior to CE-dMRA in depicting drainage vein of AVM.

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