This series of medical illustrations depicts an epidural block injection in the neck. The first image shows a mid-sagittal view of the anatomy of the neck, including a hemangioma involving the anterior two-thirds of the T1 vertebra. The second illustration shows the insertion of a needle posteriorly into the epidural space. Labels include spinal cord covered with dura, internal vertebral venous plexus, ligamentum flavum, epidural fat, vertebral body, nerve root and posterior longitudinal ligament. |