A synovial cyst of the spine is a fluid-filled sac that develops along the spine. It may cause pain, tingling, or cramping in the lower back and legs. Treatment may include medications, observation, ...

Facet joints, or zygapophyseal joints, are true synovial joints in the spine that have been identified as potential pain generators. Medial branch blocks involve the injection of a local anesthetic ...

Synovial cysts are small, fluid-filled lumps that tend to form on the lower spine. These cysts are not cancerous and may not cause any symptoms. However, they can sometimes lead to problems such as ...

DEAR MAYO CLINIC: I had two synovial cysts removed from lumbar four and five in my lower back. They have since grown back and more are forming. What are my treatment options? Synovium is the name of ...