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Magnetic resonance imaging assessment of degenerative cervical myelopathy: a review of structural changes and measurement techniques

机译:退行性宫颈病变的磁共振成像评估:结构变化和测量技术综述

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摘要

Degenerative cervical myelopathy encompasses a spectrum of age-related structural changes of the cervical spine that result in static and dynamic injury to the spinal cord and collectively represent the most common cause of myelopathy in adults. Although cervical myelopathy is determined clinically, the diagnosis requires confirmation via imaging, and MRI is the preferred modality. Because of the heterogeneity of the condition and evolution of MRI technology, multiple techniques have been developed over the years in an attempt to quantify the degree of baseline severity and potential for neurological recovery. In this review, these techniques are categorized anatomically into those that focus on bone, ligaments, discs, and the spinal cord. In addition, measurements for the cervical spine canal size and sagittal alignment are also described briefly. These tools have resulted collectively in the identification of numerous useful parameters. However, the development of multiple techniques for assessing the same feature, such as cord compression, has also resulted in a number of challenges, including introducing ambiguity in terms of which methods to use and hindering effective comparisons of analysis in the literature. In addition, newer techniques that use advanced MRI are emerging and providing exciting new tools for assessing the spinal cord in patients with degenerative cervical myelopathy.
机译:退行性宫颈癌病包括颈椎的宫颈脊柱的频谱,导致脊髓静态和动态损伤,并集体代表成年人中肌球果的最常见原因。虽然宫颈癌病变在临床上确定,但诊断需要通过成像确认,并且MRI是优选的方式。由于MRI技术的状况和演化的异质性,多年来已经开发了多种技术,以试图量化基线严重程度和神经恢复潜力的程度。在本文中,这些技术将解剖学分析到聚焦骨骼,韧带,圆盘和脊髓的那些。此外,还简要描述了颈椎管尺寸和矢状对准的测量。这些工具在识别许多有用的参数中统称。然而,用于评估相同特征的多种技术(例如脐带压缩)也导致了许多挑战,包括在其在文献中使用和妨碍有效的分析比较的方法来引入模糊性。此外,使用高级MRI的新技术正在出现并提供令人兴奋的新工具,用于评估患有退行性宫颈病变患者的脊髓。

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