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KMID : 0388720050120040369
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Journal of Korean Society of Spine Surgery
2005 Volume.12 No. 4 p.369 ~ p.374
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Ganglion and Synovial Cyst on the Posterior Longitudinal Ligament: Case Report.
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Park Hyun-Soo
Jang Young-Soo
Rha Jong-Deuk
Kim Jong-Min
Jin Hyun-Bae
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Abstract
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Ganglion cyst and synovial cyst are rarely found in the lumbar spinal canal. Synovial cysts usually arise from degenerative apophyseal joints, and ganglion cysts arise from articular facet joints. We present here two cases: one ganglion cyst that arose from the posterior longitudinal ligament at the L2-3 intervertebral space level, and a synovial cyst that also arose from the posterior longitudinal ligament at the level of the L4 body. Both patients progressively developed low back pain with radiating pain. The lesions were detected by magnetic resonance imaging in both cases. The dural sac was displaced by the cysts in both cases. Relief of symptoms was achieved by decompressive laminectomy and excision of the ganglion cyst, and excision of the synovial cyst and PLIF at L3-4. Because these lesions have not been reported on before, we report here on 2 cases with synovial and ganglion cyst from the posterior longitudinal ligament at lumbar spinal level.
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KEYWORD
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Lumbar Spine, Ganglion cyst, Synovial cyst
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