A). Selected drug injection (local anaesthetics, corticosteroids, alcohol, medical cement) into peripheral nerves, spinal nerve roots, vertebrae and sympathetic ganglia) for diagnostic and therapeutic reasons. Such cases are the following: 1. Lumbar transforaminal epidural injection (lumbar pain and sciatica, herniated disc, spinal nerve root inflammation/ dysfunction, vertebral metastasis) 2. Cervical and thoracic epidural injection (herniated […]