Sagittal T1 and T2 images demonstrate the location of perched facet with minimal T2 hyperintense synovial fluid posterior to the right superior facet of C6.
The GRE sagittal image shows normal bright signal in the left vertebral artery, while the bright signal in right vertebral artery is lost s/o thrombosis.
The T2 axial image shows loss of signal void in the right vertebral artery suggestive of thrombosis.