ArticleSurgical neurology international2026
Spinal extradural arachnoid cyst in the dorsolumbar region: A case report and literature review.
Article in Surgical neurology international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Spinal extradural arachnoid cysts (SEACs) represent <1% of all spinal epidural lesions. They mostly occur in the thoracic region and occasionally are thoracolumbar in location. Typically, patients may be asymptomatic or exhibit pain with/without a neurological deficit. Case Description: A 44-year-old female presented with a 5-year history of chronic low back pain and intermittent dysesthesia but had no neurological deficits. The magnetic resonance revealed an extradural cyst at D12-L1, isointense to cerebrospinal fluid (CSF) and displacing the dural sac ventrally. The patient underwent a D12-L1 hemilaminectomy for excision of a thin-walled cyst; there were adhesions to the conus, and we encountered no CSF leakage. Postoperatively, pain rapidly improved, and the patient remains asymptomatic. Conclusion: A 44-year-old female presented with pain attributed to a T12-L1 dorsal extradural cyst that was successfully removed through a hemilaminectomy, resulting in full resolution of her pain complaints.
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