Fig. 2From: Cervical selective nerve root injection alleviates chronic refractory pain after brachial plexus avulsion: a case reportAn ultrasound image of cervical selective nerve root injection. A needle (white arrow) is visualized on the right side of the image toward the C6 intervertebral foramina AT, anterior tubercle; CCA, common carotid artery; IJV, internal jugular vein; PT, posterior tubercleBack to article page