Spontaneous resolution of symptomatic lumbar synovial cyst

Lumbar synovial cyst arises from the facet joint and can lead to back pain, radiculopathy, neurogenic claudication or even cauda equina syndrome. Although most surgeons would consider surgery to be the treatment of choice, the natural history of the disease process remains unknown and uncertainty still exists regarding optimal management of this controversial entity. We illustrate a case of large L5/S1 synovial cyst for which surgery was initially planned. However, it resolved spontaneously without any treatment. We also provide a brief literature review regarding conservative, surgical and minimally invasive management of symptomatic lumbar synovial cyst with special reference to patient outcome.

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