PMC6803805_01
Seventy-three-year-old woman presented with vertigo and imbalance. Magnetic resonance imaging showed severe compression and indentation (A) of the left lower medulla. Note that the medulla was displaced to the right side (B) by the tortuous vertebral artery.
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F1
Severe indentation of the left medulla by a tortuous vertebral artery was observed on T2 weighted MR image (Figure 1).
MR images in a patient with nape pain and left leg weakness. (A) Sagittal T2 weighted MR image showing a signal void compressing the upper cervical spinal cord at the atlas level. (B) Axial T2 weighted MR image showing anterolateral compression of the spinal cord by left vertebral artery.
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F2
Axial MR image revealed left anterolateral compression of the cervical spinal cord near the cranial-spinal junction by the left vertebral artery (Figure 2).