PMC8371192_01
(A) T2-weighted and (B) T1-weighted contrast-enhanced images of left glossopharyngeal (IX) nerve after gadolinium, confirming neurovascular conflict with the vertebral artery (VA), which seems to compress the proximal portion of the nerve.
gr1.jpg
PMC8371192_01_gr1.jpg
fig0005
However, the patient's brain MRI confirmed juxtaposition of the left glossopharyngeal nerve and the vertebral artery, with abnormal glossopharyngeal nerve contrast enhancement (Fig. 1).