Abstract
Purpose
Spinal meningiomas are slow-growing intradural-extramedullary tumors. They are usually associated with good outcomes. However, there are few descriptions of factors predictive of impaired evolution. Our objective was to identify predictive factors of post-operative deterioration as well as outcomes at follow-up.
Methods
Between 2009 and 2016, 87 patients had surgery for spinal meningioma in our referral center. Clinical presentation, management and outcomes were reported during the post-operative period and at 3-month follow-up. Evaluation was based on post-operative neurological deterioration defined as an increase of at least one point in the McCormick score compared to the status at admission.
Results
During the study period, post-operative deterioration occurred in 17 patients (19.5%). Risk factors associated with this deterioration were the absence of pre-operative neurological signs (Relative Risk; RR = 2.38, p = 0.04), an anterior location of the meningioma and a grade 2 meningioma on WHO classification score (RR = 6, p ≤ 0.01). At 3-month follow-up, in patients who initially presented with a motor deficit, partial recovery was found in 75%, stability in 20% and a deterioration of their clinical status in 5%. After a mean follow-up of 92.4 ± 51.9 months, the recurrence rate was 8%.
Conclusions
Spinal meningiomas are usually benign tumors whose treatment is based on complete surgical resection. Progress in surgical techniques has resulted in lower morbidity rates and improvement in post-operative recovery. In this study, we observed several factors associated with clinical deterioration. Before surgery, patients should be fully informed of these predictive factors of post-operative deterioration and their association with surgical morbidity.
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The authors are grateful to Nikki Sabourin-Gibbs, Rouen University Hospital, for her help in editing the manuscript.
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Gilard, V., Goia, A., Ferracci, FX. et al. Spinal meningioma and factors predictive of post-operative deterioration. J Neurooncol 140, 49–54 (2018). https://doi.org/10.1007/s11060-018-2929-y
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DOI: https://doi.org/10.1007/s11060-018-2929-y