Detecting sub-voxel microvasculature with USPIO-enhanced susceptibility-weighted MRI at 7 T.

Yimin Shen,Jiani Hu,Khalid Eteer,Yongsheng Chen,Sagar Buch,Hani Alhourani,Kamran Shah,Quan Jiang,Yulin Ge,E Mark Haacke

Magnetic Resonance Imaging（2020）

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摘要

There is an optimal TE-dose index for improved visualization of sub-voxel vessels. Choosing the smallest TE and the largest allowed dose made it possible to run the sequence efficiently. In practice, the aspect ratio of 2:4:8 and the TE-dose index ranging from 40 to 60 ms·mg/kg provided the optimal and most practical solution.

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USPIO,SWI,TE,QSM,CNR,TR,FA,WKY,SHRSP,T2WI,FOV,TA,BET,3D-SRNCP,SHARP,ROI,BV,BW,ppm,R1,r1,SNR,T1,T2,T2*

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Detecting sub-voxel microvasculature with USPIO-enhanced susceptibility-weighted MRI at 7 T.

Detecting sub-voxel microvasculature with USPIO-enhanced susceptibility-weighted MRI at 7 T.