ArticleActa neurochirurgica2025
Tumour distribution and characteristics associated with poor surgical outcomes in patients with sporadic spinal schwannomas.
Article in Acta neurochirurgica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Analysis of the efficacy and postoperative complications of thoracoscopic resection through the transthoracic posterior approach of thoracic paravertebral dumbbell-shaped schwannoma.American journal of cancer research · 2026Article
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4 authors.
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Abstract
purposeSpinal schwannomas are benign tumours that can compress the spinal cord or nerve roots, causing neurological symptoms. Despite successful surgical resection, some patients experience suboptimal functional recovery. Several risk factors for poor prognosis have been identified, but limited research has explored the influence of tumour distribution and characteristics. In this study, we aimed to identify prognostic variables associated with residual neurological deficit in patients undergoing surgical resection for sporadic spinal schwannomas.
methodsClinical and radiological data of consecutive patients who underwent surgery for spinal schwannomas at Saitama Medical Centre between January 2010 and March 2024 were retrospectively reviewed. Patients with neurofibromatosis type 2 or foraminal and paravertebral schwannomas were excluded. Data collected included patient demographics, radiological features, and surgical complications. Residual neurological deficit was defined as a Modified McCormick scale grade of II-V, persistent neurogenic pain, or bladder/bowel dysfunction.
resultsGross total resection was achieved in 55 cases (76.4%). Postoperative complications occurred in 6 cases (8.3%), including cerebrospinal fluid fistula and vascular injury. At a median follow-up of 26.4 months, 20 patients (27.8%) had residual neurological deficits. Univariable and multivariable logistic regression identified thoracic spine involvement (odds ratio [OR], 5.03; 95% confidence interval [CI], 1.47-18.6; p = 0.01) and dumbbell-shaped tumours (OR, 0.15; 95% CI, 0.02-1.28; p = 0.04) as significantly associated with residual neurological deficits. Moreover, thoracic spinal schwannomas were associated with a significantly higher incidence of persistent postoperative neurogenic pain than that associated with cervical or lumbosacral tumours (p = 0.001).
conclusionsThoracic spine involvement and tumours that are not dumbbell-shaped were identified as significant risk factors for residual neurological deficits in patients undergoing surgical treatment for spinal schwannomas. Awareness of tumour distribution and characteristics may assist in refining preoperative assessments, guiding strategic decisions, and potentially improving surgical management for better patient care.
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