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CC BY-NC-ND 4.0 · Asian J Neurosurg 2019; 14(04): 1138-1143
DOI: 10.4103/ajns.AJNS_245_18
Original Article

Neurosurgical management of parasagittal and falcine meningiomas: Judicious modern optimization of the results in a 100-case study

Fotios Kalfas
0   Department of Neurological Surgery, Galliera Hospitals, Genova
,
Claudia Scudieri
1   Department of Neurosurgery and Gamma Knife Radiosurgery, IRCCS San Raffaele Scientific Institute, Vita-Salute University, Milan
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Context: The management of parasagittal and falcine meningiomas centers around the relationship between the tumor and the venous anatomy of the superior sagittal sinus (SSS) and the bridging veins. Aims: The present study aims to address neurosurgical outcomes in a cohort of patients with parasagittal and falcine meningiomas >2.0 cm in the largest diameter, in which a neurosurgical/multidisciplinary treatment was considered. Settings and Design: The clinical outcomes of patients undergoing neurosurgical management for parasagittal and falcine meningiomas at the authors' institution over a 15-year period were analyzed. Analysis was limited to those tumors (primary, residual, or recurrences) >2.0 cm in the largest diameter. Subjects and Methods: The authors identified 100 patients with parasagittal/falcine meningiomas >2.0 cm in their largest diameter, who underwent neurosurgical treatment at their institution between 1999 and 2013. Statistical Analysis Used: Tumor control was assessed using Kaplan–Meier analysis, and specific attention was paid to the relationship between the tumor and the SSS and its impact on tumor control and outcome. Results: There was no difference in rates of tumor control in patients who received subtotal resection for a WHO Grade I tumor, followed by close observation, compared with those undergoing gross-total resection, primarily because no cases were observed in which the tumor remnant in the SSS demonstrated interval growth on serial imaging studies. Of patients in this series, 13% experienced at least one neurological, medical, surgical, or radiosurgical complication, and the mortality was 0%. Conclusions: These data provide a more judicious optimization of the expected outcome that can be obtained with treatment of these tumors, in which a combination of image guidance, advanced microsurgical techniques, and conformal radiation treatments is used.

Key-words:

Falcine meningiomas - microsurgical resection - parasagittal meningiomas - radiosurgery

Financial support and sponsorship

Nil.




Publication History

Article published online:
09 September 2022

© 2019. Asian Congress of Neurological Surgeons. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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