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Comparative study on three kinds of MRI sequence for cervical nerve roots with 3.0 T MRI
WANG Qi  LI Hui-xia  FENG Lin  KONG Jian-jun  ZHU Xiao-wei  CUI Xing-hui  WU Zhan-yong 

DOI:10.12015/issn.1674-8034.2018.10.008.


[Abstract] Objective: To compare the applied value of three kinds of MRI sequence for imaging of cervical nerve roots with 3.0 T MRI.Materials and Methods: 37 cases need scanning cervical vertebra with 3.0 T MRI were observed, which were performed with conventional MR, three-dimensional double-echo steady state (3D-DESS), multiecho data image combination (MEDIC) and 3D sampling perfection with application optimized contrasts using different flip angle evolutions(3D-SPACE), all of the images were used for postprocessing reconstruction, to evaluate three aspects included image quality and the display of normal cervical nerve roots, the display definition of depressed cervical nerve roots, the contrast noise ratio (CNR) between cervical nerve roots and adjacent tissue.Results: Three kinds of MRI sequence were compared in pairs in three aspects, MR 3D-DESS exceeds MR MEDIC in both CNR of nerve root-vertebra and CNR of nerve root-cerebrospinal fluid. MR 3D-DESS exceeds MR 3D-SPACE in CNR of nerve root-vertebra, but MR 3D-SPACE exceeds MR 3D-DESS in CNR of nerve root-cerebrospinal fluid. MR 3D-SPACE exceeds MR MEDIC in CNR of nerve root-cerebrospinal fluid, but no statistical difference between MR 3D-SPACE and MR MEDIC in CNR of nerve root-vertebra. There were statistical differences for three kinds of MRI sequence were compared in pairs in three aspects of image quality, the MR 3D-DESS superior to the MR MEDIC, the image quality of MR 3D-SPACE was worst. For the display definition of depressed cervical nerve roots, there was no statistical difference between MR 3D-DESS and MR MEDIC, which compared with MR 3D-SPACE, they superior to MR 3D-SPACE, they were statistical difference.Conclusions: MR 3D-DESS significantly outperformed the MR MEDIC and MR 3D-SPACE in aspects of showing the structure of nerve roots and diagnosing the compression of nerve roots, and same time, MR 3D-DESS had advantage in imaging of cervical nerve roots and clinical diagnosis of cervical nerve roots injury.
[Keywords] Cervical nerve roots；Three-dimensional double-echo steady state；Multi-echo data image combination；3D sampling perfection with application optimized contrasts using different flip angle evolutions；Magnetic resonance imaging

WANG Qi General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

LI Hui-xia General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

FENG Lin General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

KONG Jian-jun General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

ZHU Xiao-wei General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

CUI Xing-hui General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

WU Zhan-yong* General Hospital of Xingtai Mining Industry Bloc, Xingtai 054000, China

*Correspondence to: Wu ZY, E-mail: dr2009.163.com

Conflicts of interest   None.

Received  2018-04-20
DOI: 10.12015/issn.1674-8034.2018.10.008
DOI:10.12015/issn.1674-8034.2018.10.008.

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