Intraspinal Synovial Cyst
What is an Intraspinal Synovial Cyst? An intraspinal synovial cyst is a fluid-filled sac that develops within the spinal canal. These cysts are non-cancerous and typically occur in the lumbar spine, which is the lower portion of the back. Intraspinal synovial cysts are rare, and they can cause pain, numbness, and weakness in the legs….