Purpose: Definitive radiotherapy is a treatment option for patients with inoperable meningiomas. The purpose of this study was to evaluate the results of stereotactic radiotherapy as first-line treatment for intracranial meningiomas that were diagnosed radiologically.
Methods: Between January 2010 and June 2016, 56 patients with intracranial meningioma treated with Cyberknife- based Stereotactic Radiosurgery (SRS) or hypofractionated stereotactic radiotherapy (hFSRT) were included. The median prescribed radiation dose was 16 Gy (range 13-18) for SRS and 25 Gy (range 18-33) for hFSRT. hFSRT doses were delivered in 3 to 5 fractions.
Results: Median follow-up was 58 months (range 6-97). Overall survival (OS) for the whole group was 89.2%; for SRS group it was 100% and for hFSRT group 87.5% (p=0.29). Progression free survival (PFS) for the whole group was 89.3%; for SRS group it was 87.5% and for hFSRT 89.5% at 5 years (p=0.93).
Conclusion: SRS and hFSRT were effective with excellent local control rates and they can be an alternative treatment option for patients with inoperable meningiomas.
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