ArticleEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2026
Minimally invasive paramedian transmuscular approach for intracanal tumors: case series, microsurgical technique and outcomes.
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, 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
purposeSpinal tumors are rare and heterogeneous lesions of the central nervous system. Minimally invasive spinal surgery (MISS) offers several advantages over conventional open laminectomy, including reduced soft-tissue trauma, lower blood loss, and faster recovery. This study presents a 20-year, single-center experience with the minimally invasive paramedian transmuscular approach for spinal tumor resection, assessing its feasibility, safety, and effectiveness across all spinal levels.
methodsA retrospective review was conducted of 61 patients who underwent minimally invasive resection of spinal tumors at a tertiary neurosurgical center. Demographic, radiological, operative, and postoperative data were analyzed. Intraoperative neuromonitoring was routinely used. Outcomes included extent of resection, complications, neurological status, and hospital stay.
resultsThe mean age was 54.4 ± 13.5 years, with a predominance of females (70.5%). Most tumors were intradural extramedullary, primarily meningiomas and schwannomas. Gross-total resection was achieved in 85% of cases. The mean operative time was 148 min and mean blood loss 197 mL. Complications occurred in 9 patients, with clinically relevant cerebrospinal fluid-related events observed in 3.3%. New neurological deficits developed in 3.3% of patients. The mean hospital stay was 2.2 days. No perioperative mortality occurred, and tumor recurrence was observed in 4.9% during follow-up.
conclusionThe minimally invasive paramedian transmuscular approach allows safe resection of selected spinal tumors, including junctional lesions, while achieving high resection rates and acceptable perioperative morbidity. These findings support its use as a feasible surgical option in appropriately selected patients.
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