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Gross total resection of large intracranial meningiomas (LIMs) can be challenging and cause significant morbidity and mortality. The aim of this systematic review is to determine the clinical effectiveness and safety of stereotactic radiosurgery (SRS) either as primary or adjuvant therapy for LIMs with tumors ≥2.5 cm in maximum dimension (tumor volume ≥8.1 cm³). A total of 452 tumors in 496 patients (350 female [69.3%] and 146 male [30.6%]) with median age 60 years (48–65 years) were included. The median tumor volume at the time of diagnosis was 16.7 cm³ (10–53.3 cm³). The tumors typically were located in the skull base (77.2%), whereas only 14.6% were in the supratentorial space. The median follow-up after SRS was 54 months (18–90 months). In total, 87.8% of patients were treated with single-session (SS) Gamma Knife radiosurgery (GKS), whereas the remaining 12.1% patients received non-SS GKS …