• Pain Med · Mar 2005

    Case Reports

    Percutaneous puncture of zygapophysial joint synovial cyst with fluoroscopic guidance.

    • Renée S Melfi and Charles N Aprill.
    • Magnolia Diagnostics, New Orleans, Louisiana 70115, USA.
    • Pain Med. 2005 Mar 1;6(2):122-8.

    ObjectiveTo introduce a minimally invasive, percutaneous fluoroscopic technique for treating symptomatic zygapophysial joint (z-joint) synovial cysts.MethodsChart review to describe the clinical presentation, representative imaging, technical procedural details, and follow-up of a 72-year-old female with a symptomatic lumbar z-joint synovial cyst.ResultsBefore the cyst puncture, the patient failed conservative care including transforaminal epidural and intra-articular z-joint injections. Immediately after the puncture, and at 4-month follow-up, the patient was free of left lower extremity radicular pain. Computed tomography at 4 months post puncture showed resolution of the cyst. There was no recurrence of left leg pain at 30-month follow-up.ConclusionThis technical case report illustrates that puncture of an intraspinal z-joint synovial cyst using an interlaminar approach with fluoroscopic guidance may be safely performed with effective relief of radicular symptoms.

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