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• Clinical Article •
Evaluation of 3D-TOF and 3D-FIESTA combined with MPR in microvascular decompression for trigeminal neuralgia by 3.0 T MRI system
JIN Jun  TANG Xiao-li  XIANG Hui  WANG Xiao-yi  CHEN Ling  LI Lian 

DOI:10.3969/j.issn.1674-8034.2015.04.007.


[Abstract] Objective: To investigate the value of 3D-TOF and 3D-FIESTA for preoperative assessment in microvascular decompression for trigeminal neuralgia.Materials and Methods: 187 cases of primary trigeminal neuralgia underwent microvascular decompression (MVD) of Xiangya Hospital were retrospectively analyzed, the 3D-TOF and 3D-FIESTA findings preoperative and the intraoperative exploration results were compared.Results: 3D-TOF and 3D-FIESTA identified surgically verified neuro-vascular compression in 173 of 187 (92.3%) symptomatic nerves. Neurovascular compression was observed in 29 of 187 (16%) of asymptomatic nerves, 179 cases (95.6%) which neurovascular compression (NVC) were observed during operation underwent MVD: 73 cases (40.8%) with SCA, 28 cases (15.4%) with AICA, 5 cases (3.2%) with PICA, 17 caces with BA (9.8%), 35 cases (20.2%) with compounding compression, 11 cases (6.2%) with vein. 3D-TOF and 3D-FIESTA were not identified in 14 cases (7.7%), of which NVC 10 cases (58.8%) weren't observed during operation underwent trigeminal rhizotomy. Before operations, the 187 cases findings of 3D-TOF combined with 3D FIESTA sequence demonstrated that 173 in 187 (92.3%) were neuro-vascular compression which were ipsolateral with the symoptoms. The procedures of microvascular decompression revealed that 179 in 187 (95.6%) were neuro-vascular compression, including that 73 (40.8%) cases with SCA, 35 (20.2%) cases with combined compression, 28 (15.4%) cases with AICA, 17 (9.8%) cases with BA, 11 (6.2%) cases with vein, 5 (3.2%) cases with PICA.Conclusions: 3D-TOF and 3D-FIESTA combined with 3-D MPR which can clearly display spatial relationship of trigeminal nerve and around vessels is an effective method for preoperative assessment in microvascular decompression for trigeminal neuralgia.
[Keywords] Trigeminal neuralgia；3D-TOF；3D-FIESTA；Magnetic resonance imaging

JIN Jun Department of Radiology, Shenzhen Shekou people's Hospital of Nanshan District, Shenzhen 518067, China

TANG Xiao-li* Department of Radiology, Shenzhen Shekou people's Hospital of Nanshan District, Shenzhen 518067, China

XIANG Hui Department of Radiology, Lanzhou Petrochemical General Hospital(West Area), Lanzhou 730060, China

WANG Xiao-yi Department of Radiology, Xiangya Hospital of Central South University, Changsha 410008, China

CHEN Ling Department of Clinical medicine discipline, Shenzhen Shekou people's Hospital of Nanshan District, Shenzhen 518067, China

LI Lian Hemodialysis Room, Shenzhen Shekou people's Hospital of Nanshan District, Shenzhen 518067, China

*Correspondence to: Tang XL, E-mail: 303175614@qq.com

Conflicts of interest   None.

Received  2014-11-19
Accepted  2015-01-04
DOI: 10.3969/j.issn.1674-8034.2015.04.007
DOI:10.3969/j.issn.1674-8034.2015.04.007.

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