Successful treatment of a ruptured aneurysm at the vertebral artery-posterior inferior cerebellar artery junction and simultaneous treatment of the stenotic vertebral artery with a single flow-diverting stent: a case report

椎动脉-小脑后下动脉交界处破裂动脉瘤成功治疗及椎动脉狭窄同期单枚血流导向支架置入术：病例报告