This term refers to an injection of medication into the space around the spinal cord, also known as the epidural space, to offer relief of pain and inflammation. The epidural space is the most external part of the vertebral canal, which is located outside the dural membrane. The dural membrane is the covering layer of spinal cord. Steroids, anaesthetics and anti-inflammatory medications are usually administered by epidural injection. The injection can reduce pain and swelling in and around the spinal nerve roots, and around injured nerves that may eventually heal.
Imaging guidance, using fluoroscopy or computed tomography (CT scan), can be used to help the doctor place the needle in the right place to target the specific area that is causing the pain so that the injection produces the maximum benefit for the patient.
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