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Figure 1: (a) Axial T2 weighted MRI in neutral position shows asymmetric cord atrophy with nearly 100% loss of attachment of dura from subjacent lamina on left side (arrow). (b) Sagittal T2 weighted MRI in neutral position show cord atrophy in lower cervical cord. (c) Dynamic flexion noncontrast T1 weighted sagittal MRI illustrates the characteristic anteriorly displaced cervical cord, flattened against vertebra with loss of subarachnoid space. Passive crescent shaped epidural venous congestion seen with prominent flow voids (arrow)

Figure 1: (a) Axial T2 weighted MRI in neutral position shows asymmetric cord atrophy with nearly 100% loss of attachment of dura from subjacent lamina on left side (arrow). (b) Sagittal T2 weighted MRI in neutral position show cord atrophy in lower cervical cord. (c) Dynamic flexion noncontrast T1 weighted sagittal MRI illustrates the characteristic anteriorly displaced cervical cord, flattened against vertebra with loss of subarachnoid space. Passive crescent shaped epidural venous congestion seen with prominent flow voids (arrow)