ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2025
Outcome of utilizing real-time contrast medium to detect the fistulas in spinal epidural arachnoid cysts and treat with minimally invasive surgery.
Article in European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2025. 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
backgroundSpinal epidural arachnoid cysts (SEACs) are rare, non-neoplastic pathologies that can cause compressive myelopathy. Preoperative identification of the exact fistula location is crucial for minimally invasive management.
methodsThis single-center retrospective study included 27 patients with SEACs who underwent "double-needle puncture myelography" to precisely localize the fistula before minimally invasive surgery. Clinical presentations, radiological findings, and surgical outcomes were analyzed.
resultsAmong the 27 patients, the most common clinical complaint was sensory dysfunction (14 patients, 51.9%). Motor dysfunction, manifested as lower limb weakness, was observed in 11 patients (40.7%), while 2 patients were asymptomatic at admission. Consistency analysis between radiographic localization and intraoperative findings demonstrated that the "double-needle puncture myelography" technique accurately identified the surgical segments and laterality of all fistulas except for one patient, who required repeat radiographic localization. Minimally invasive approaches, including hemilaminectomy or mini-hemilaminectomy, were successfully performed in 26 patients (96.3%) for fistula exposure.
conclusionsThe "double-needle puncture myelography" technique allows for the swift acquisition of precise anteroposterior and lateral projection dynamic X-ray images during the procedure. As a valuable preoperative diagnostic tool, it accurately pinpoints the location of the fistula, thereby minimizing surgical trauma and preserving spinal stability.
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