High-Contrast Lumbar Spinal Bone Imaging Using a 3D Slab-Selective UTE Sequence

被引:9
|
作者
Afsahi, Amir Masoud [1 ]
Lombardi, Alecio F. [1 ,2 ]
Wei, Zhao [1 ]
Carl, Michael [3 ]
Athertya, Jiyo [1 ]
Masuda, Koichi [4 ]
Wallace, Mark [5 ]
Lee, Roland R. [1 ,2 ]
Ma, Ya-Jun [1 ]
机构
[1] Univ Calif San Diego, Dept Radiol, San Diego, CA 92103 USA
[2] Vet Affairs San Diego Healthcare Syst, Res Serv, San Diego, CA USA
[3] GE Healthcare, San Diego, CA USA
[4] Univ Calif San Diego, Dept Orthped Surg, San Diego, CA 92103 USA
[5] Univ Calif San Diego, Dept Anesthesiol, San Diego, CA 92103 USA
来源
FRONTIERS IN ENDOCRINOLOGY | 2022年 / 12卷
关键词
UTE MRI; bone imaging; lumbar spine; slab selective; CT-like contrast; ZTE MRI; MAGNETIC-RESONANCE; TIME; MRI;
D O I
10.3389/fendo.2021.800398
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Ultra-short echo time (UTE) MRI with post-processing is a promising technique in bone imaging that produces a similar contrast to computed tomography (CT). Here, we propose a 3D slab-selective ultrashort echo time (UTE) sequence together with image post-processing to image bone structures in the lumbar spine. We also explore the intermodality agreement between the UTE and CT images. The lumbar spines of two healthy volunteers were imaged with 3D UTE using five different resolutions to determine the best imaging protocol. Then, four patients with low back pain were imaged with both the 3D UTE sequence and CT to investigate agreement between the imaging methods. Two other patients with low back pain were then imaged with the 3D UTE sequence and clinical conventional T-1-weighted and T-2-weighted fast spin-echo (FSE) MRI sequences for qualitative comparison. The 3D UTE sequence together with post-processing showed high contrast images of bone and high intermodality agreement with CT images. In conclusion, post-processed slab-selective UTE imaging is a feasible approach for highlighting bone structures in the lumbar spine and demonstrates significant anatomical correlation with CT images.
引用
收藏
页数:9
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