Mayo Clinic data: <3-cm tumors, same tumor control rates but worse pt QOL after Sg. (PollockBE et al., J Neurosurg 2006)
French data: largest prospective study. GK pts had better function overall. (RegisJ et al., Neurochirurgie 2002)
Meta-analysis: included 16 studies showed SRS better long-term hearing preservation (70% vs. 50%) but no difference in tumor outcome. (ManiakasA and SalibaI, Otol Neurotol 2012)