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首页> 外文期刊>Acta Radiologica >Measurement of spinal root angle at spinal canal and foraminal levels in cases of facet arthropathy: T2-weighted turbo spin echo magnetic resonance myelography with SPACE technique
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Measurement of spinal root angle at spinal canal and foraminal levels in cases of facet arthropathy: T2-weighted turbo spin echo magnetic resonance myelography with SPACE technique

机译：椎管脊柱管脊柱根角测量椎管脊柱脊柱，在刻面关节病：T2加权涡轮增压旋转回波磁共振与空间技术

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Background Magnetic resonance myelography (MRM) with three-dimensional (3D) T2-weighted (T2W) turbo spin echo (TSE) sampling perfection with application-optimized contrasts using different flip angle evolution (SPACE) may be a guide to the etiology of low back pain. Purpose To research the efficiency of a 3D T2W TSE SPACE MRM sequence for visualization of anatomic details of spinal nerve root at the spinal canal and lateral recess levels in the patients with low back pain. Material and Methods Lumbar spinal MRM 3D T2W TSE SPACE was performed in a total of 70 patients (median age 46 years). Patients were imaged while lying in a supine position with straightened legs. According to the degree of facet arthropathy findings, patients were divided into four separate subgroups in our retrospective cross-sectional study. Spinal nerve root angle was measured within the spinal canal and at lateral recess level, and facet joint angle and lumbar lordosis measurements were measured by two radiologists, independently. Results Lumbar level was strongly negatively correlated with facet joint angle (r = -0.95) as well as nerve root angle within the spinal canal (NRA(SC)) (r = -0.857) and at the lateral recess level (NRA(LR)) (r = -0.947). Intracanal decline of the spinal root angle caused by spinal stenosis findings was also observed (P < 0.05). For the measurements of NRA(SC) and NRA(LR), inter-observer correlation was 0.85 and 0.82 for the spinal canal and at lateral recess level, respectively. Conclusion 3D T2W SPACE in NRA(SC) and NRA(LR) provided high resolution images for evaluation. Therefore, this method may be a qualitative guide for the clinician and the surgeon in terms of root anatomy before any intervention.
机译：背景技术磁共振MyElography（MRM）具有三维（3D）T2加权（T2W）Turbo Spino（TSE）采样完美，使用不同的翻转角度进化（空间）的应用优化对比度可以是低电平的导向背疼。目的研究3D T2W TSE空间MRM序列的效率，以便在腰部脊柱脊柱管道和侧颈部脊柱神经根系中的解剖细节的可视化。材料和方法腰椎MRM 3D T2W TSE空间总共进行70名患者（中位年龄46岁）。患者在躺在仰卧位的同时成像，直升腿。根据方面的关节病变程度，在我们的回顾性横截面研究中，患者分为四个单独的亚组。脊柱神经根角度在脊柱管内测量，并且在侧面凹槽水平下测量，并且通过两个放射科医生独立测量面关节角度和腰椎病程测量。结果腰部水平与突出角（R = -0.95）以及脊柱管内（NRA（SC））（R = -0.857）和横向凹槽水平（NRA（LR）的神经根角度强烈呈负相关）（r = -0.947）。还观察到由脊柱狭窄发现引起的脊柱根角的颅骨下降（P <0.05）。对于Nra（SC）和Nra（LR）的测量，分别为脊柱管和侧面凹槽水平的观察者间相关性为0.85和0.82。结论NRA（SC）和NRA（LR）中的3D T2W空间提供了高分辨率图像进行评估。因此，该方法可以是临床医生和外科医生在任何干预之前的根解剖学方面的定性指南。

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