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Abstract #3912

A Real-IR 3D T1-Weighted Black-Blood Imaging Technique Combining with White-Blood

Tokunori Kimura 1 and Kazuhiro Sueoka 2

1 MRI Systems Development Department, Toshiba Medical Systems corp., Otawara, Tochigi, Japan, 2 Software engineering department, Toshiba Medical Systems Engineering corp., Otawara, Tochigi, Japan

We proposed and assessed a new inversion-prepared phase-sensitive 3D black-blood (Real-IR BB) imaging technique combining with white-blood (WB), where the read-out was GRE and the phase correction for BB was performed by using 3D Time-of-Flight (TOF) data. The advantages of our method are the wider slab thickness is available and no requirements for the data only for phase correction. Experiments were performed on 3T MRI for volunteer neck and brain. Optimal TI was regarded as 400-500ms from the views of T1 contrasts among different tissues and the vessel-to-background contrast. We concluded that our proposed 3D Real-IR T1W-BB is a time-efficient vessel-wall imaging method.

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