PMC3137836_01
Plain cervical spine (lateral view) radiograph shows no abnormality and no misalignment of the vertebral bodies
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F1
Cervical T1W-Sagittal MR image in the neutral position shows focal atrophy of the lower cervical cord at the C4-7 vertebral levels but no abnormal intramedullary high signal intensity
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F2
Cervical MR images in the neutral position showed focal atrophy of the lower cervical cord at the C4-7 vertebral levels but no abnormal intramedullary high signal intensity [Figure 2].
Cervical GRE-Sagittal MR image in the flexion position shows the posterior wall of the dural sac between C4 and D1 vertebral levels to shift anteriorly, and the anteriorly displaced cervical cord compressed over the posterior surface of the vertebral bodies
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F3
An enhancing epidural space, isointense with the cord on T1-weighted images and hyperintense on T2-weighted images was noted at the posterior aspect of the lower cervical canal [Figures 3 and 4].
Cervical GRE-Axial MR image in the flexion position shows the markedly flattened, anteriorly displaced cervical cord due to the epidural lesion (black arrow)
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F4
An enhancing epidural space, isointense with the cord on T1-weighted images and hyperintense on T2-weighted images was noted at the posterior aspect of the lower cervical canal [Figures 3 and 4].