Division of Neuroradiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy.
Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy.
Radiol Med. 2016 Jan;121(1):38-44. doi: 10.1007/s11547-015-0570-9. Epub 2015 Jul 28.
To evaluate the pathological changes of the lumbar spine and the instability of the lumbar intervertebral joints observed in patients with low back pain, with the study of the transition from supine to orthostatic position through the use of dedicated MRI-G-scan machine.
Within 10 years, 4305 patients, aged between 21 and 80 years old, with history of low back pain with or without sciatica, underwent MRI examinations in upright and in supine position. The open MRI-scanner used is Esaote G-scan, which enables the acquisition of images in supine and standing positions. The used sequences were sagittal T2-weighted FSE, T1-weighted SE and axial 3D HYCE. Patients were divided into two groups: "negatives", with no changes in the two positions (supine and upright), and "positives", with MRI modifications of imaging in upright position.
Orthostatic examination showed MRI changes in 2870 out of 4305 (66.6%) patients, including 1252 males and 1618 females.
The G-scan is useful to assess instability of the lumbar spine detecting hidden modifications of protrusions and/or herniated discs already present in the supine position. It is also helpful in assessing the presence or modification of spondylolisthesis and lumbar canal stenosis.
通过使用专用的 MRI-G 扫描机，评估腰痛患者腰椎的病理变化和腰椎关节的不稳定性，研究从仰卧位到直立位的转变。
在 10 年内，4305 名年龄在 21 岁至 80 岁之间的腰痛患者（伴或不伴坐骨神经痛）接受了仰卧位和直立位 MRI 检查。使用的开放式 MRI 扫描仪是 Esaote G-scan，它可以在仰卧位和站立位采集图像。使用的序列是矢状 T2 加权 FSE、T1 加权 SE 和轴向 3D HYCE。患者分为两组：“阴性”组，两个位置（仰卧位和直立位）均无变化；“阳性”组，直立位 MRI 有影像学改变。
4305 名患者中有 2870 名（66.6%）在直立位检查时出现 MRI 改变，其中男性 1252 名，女性 1618 名。
G 扫描有助于评估腰椎不稳定，发现仰卧位已存在的突出物和/或椎间盘的隐性改变。它还有助于评估脊椎滑脱和腰椎管狭窄的存在或改变。
