Synovial cysts develop when the facet joints in your spine, those between the bony projections, develop abnormal sacs filled with fluid. Medical experts have connected these cysts to the degenerative changes that happen as you age. They are most often found in the lower back but can develop anywhere along the vertebrae. Synovial cysts are not typically cancerous, and their symptoms vary depending on location and size. Many people feel intense back and leg pain that lessens in an upright position and worsens when standing. Treatments for synovial cysts vary based on symptoms and severity.
Pain in the lower back could indicate a number of issues that involve the spine, the most common being a torn ligament or a pulled muscle. When the issue is a synovial cyst, your back pain will increase each time you stand up and try to walk. Back pain is not present for everyone with cysts.
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