Sciatica Research Today is a free monthly online journal that collates and summarizes the latest research about Sciatica, including details on treatment, prevention, medication. | ||||||||
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Resolution of a synovial cyst of the lumbar spine without surgical therapy -- a case report.Ewald C, Kalff R Klinik für Neurochirurgie, Klinikum der Friedrich-Schiller-Universität, Jena, Germany. drewald@hotmail.com Synovial cysts originating from the facet joint of the lumbar spine are a rare cause of radiculopathy. Surgical resection is considered to be the treatment of choice, although very little is known about the natural history of spinal synovial cysts. Only six cases have been published up to now concerning the spontaneous regression of a cyst without invasive therapy. We present the history of a patient suffering from sciatic pain caused by a synovial cyst at the level of L4/5, and we describe the spontaneous remission of the cyst, discussing the radiological and clinical findings and comparing our findings with respect to the current literature. CLINICAL PRESENTATION: The patient suffered from sciatic pain for 5 months without neurological deficits. Magnetic resonance tomography revealed a cystic structure adjacent to the facet joint L4/5. Presuming a synovial cyst, we scheduled surgery and at the same time started conservative treatment, including physical therapy and analgesic medication. The patient's condition improved significantly during conservative treatment, so that surgery was cancelled. A second magnetic resonance tomography showed that the cyst had dramatically shrunken, without any narrowing of the spinal canal. CONCLUSIONS: Up to now, synovial cysts of the lumbar spine have usually been treated operatively, but we and others have shown that spontaneous resolution of the cyst seems possible, so that extensive conservative treatment should always be considered as the first therapeutic option, provided that there are no severe neurological deficits. Published 23 August 2005 in Zentralbl Neurochir, 66(3): 147-51.
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