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Lumbar Facet Joint Synovial Cyst

By

Christopher Faubel, M.D.

-

September 15, 2012

28851

Large lumbar L4/5 synovial facet joint cyst in the RIGHT lateral recess - sagittal and axial views — Note the large synovial cyst from the right L4/5 facet joint encroaching the RIGHT lateral recess and likely causing the patient's radicular pain complaints.

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Lumbar Facet Joint Synovial Cysts

Clinical Complaint: Low back pain and RIGHT lumbar radicular pain complaints. Findings: Upon review of the patient’s MRI without contrast, there was an obvious RIGHT lumbar L4/5 facet joint synovial cyst encroaching the right neuroforamen, and a LEFT L4/5 cyst going into the central canal.

Large lumbar L4/5 synovial facet joint cyst in the RIGHT lateral recess - sagittal and axial views — Note the large synovial cyst from the RIGHT L4/5 facet joint encroaching the RIGHT lateral recess and likely causing the patient’s radicular pain complaints.

Note the large synovial cyst from the LEFT L4/5 facet joint encroaching the posterior part of the central canal.

Large LEFT L4-L5 synovial facet cyst on T2-weighted MRI - sagittal and axial views — Note the large synovial cyst from the RIGHT L4/5 facet joint encroaching the RIGHT lateral recess and likely causing the patient’s radicular pain complaints.

Note the large synovial cyst from the LEFT L4/5 facet joint encroaching the posterior part of the central canal.

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