Figure 3From: Glossopharyngeal neuralgia secondary to vascular compression in a patient with multiple sclerosis: a case report Magnetic resonance imaging scans: T2-weighted image, sagittal plane. Scan shows the vertebrobasilar system. The posterior inferior cerebellar artery (PICA) arises from the vertebral artery. The upward buckle almost reaches the caudal pons.Back to article page