Cervical myelopathy due to OPLL: clinical evaluation by MRI and intraoperative spinal sonography

Journal of Spinal Disorders & Techniques
Yukihiro MatsuyamaYoshio Hashizume

Abstract

Concerning the relationship between morphology and clinical outcome, there have been many reports using computed tomography/myelography but not so many using axial magnetic resonance imaging (MRI) of the spinal cord. This is the first report to correlate axial cord image, intensity changes in MRI, and cord expansion pattern using intraoperative ultrasonography. The objectives were to correlate MRI studies, axial cord images/expansion, and changes in MRI intensity to see if there is a direct prognostic significance to these changes and to determine whether preoperative axial MRI images of the spinal cord predict recovery from compressive myelopathy. Posterior cervical decompressions with laminoplasty were performed in 44 patients with cervical myelopathy due to ossification of the posterior longitudinal ligament. On T2-weighted MR images, the cross-sectional shape of the cord at the level of maximal compression was categorized as boomerang, teardrop, or triangle. Additionally, with use of intraoperative ultrasonography, the expansion pattern of the cord that occurred intraoperatively was contrasted with that seen on postoperative MR images. Clinical recovery rates were the worst for those with triangular, intermediate for those ...Continue Reading

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May 18, 2010·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Amish V SanghviGururaj M Sangondimath
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Sep 9, 2018·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Yoshiharu NakayaMasashi Neo
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Sep 17, 2021·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·Guoliang ChenShaoyu Liu

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