Alessandra Splendiani1, Marco Perri2, Giuseppe Grattacaso3, Valeria Di Tunno4, Claudia Marsecano5, Luca Panebianco6, Antonio Gennarelli7, Valentina Felli8, Marco Varrassi9, Antonio Barile10, Ernesto Di Cesare11, Carlo Masciocchi12, Massimo Gallucci13. 1. Division of Neuroradiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. alessandra.splendiani@cc.univaq.it. 2. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. marco-perri@tiscali.it. 3. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. giuseppe.grattacaso@hotmail.it. 4. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. valeria.ditunno@yahoo.it. 5. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. claudia.marsecano@gmail.com. 6. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. panebianco.luca@gmail.com. 7. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. a.gennarelli79@gmail.com. 8. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. vfelli@alice.it. 9. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. mvarrassi27@yahoo.it. 10. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. antonio.barile@cc.univaq.it. 11. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. ernesto.dicesare@cc.univaq.it. 12. Division of Radiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. carlo.masciocchi@cc.univaq.it. 13. Division of Neuroradiology, Department of Biotechnological and Applied Clinical Science, S Salvatore Hospital, University of L'Aquila, Coppito, 67100, L'Aquila, Italy. massimo.gallucci@cc.univaq.it.
Abstract
PURPOSE: 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. MATERIALS AND METHODS: 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. RESULTS: Orthostatic examination showed MRI changes in 2870 out of 4305 (66.6%) patients, including 1252 males and 1618 females. CONCLUSIONS: 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.
PURPOSE: 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. MATERIALS AND METHODS: 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. RESULTS: Orthostatic examination showed MRI changes in 2870 out of 4305 (66.6%) patients, including 1252 males and 1618 females. CONCLUSIONS: 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.
Entities:
Keywords:
0.25 T; Herniated disc; Low back pain; Lumbar intervertebral instability; Open MRI scanner
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