Objective To investigate the efficacy of endovascular embolizaion and gyro 60 cobalt radiation system combined treatment of giant cerebral arteriovenous malformations(cAVM).Methods Fifteen patients with giant cAVM were treated by endovascular embolization combined with Gamma knife,following up 6 to 48 months to observe the image changes and clinical scores.Results The vascular malformations in 15 patients were managed totally or partly,with improvement of the clinic symptoms.Conclusion The combined treatment of endovascular embolization and gyro 60 coba...