Fig. 12From: Non-neoplastic pathology at the crossroads between neck imaging and cardiothoracic imagingPerineural (Tarlov) cyst of the brachial plexus. Axial MR STIR image demonstrates a cerebral spinal fluid intensity simple cystic structure (arrow) arising from the left C6–7 nerve root sheath consistent with a perineural (Tarlov) cystBack to article page