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硬脑膜动静脉瘘的介入治疗;概述;硬脑膜的解剖 DAVF形成的解剖学基础;Netter FH, MD;硬膜静脉窦的解剖;DAVF 供血动脉;病因;病因;脑静脉窦血栓形成?DAVF;“生理性动静脉交通”开放学说;肌源性自我调节障碍学说;肌源性自我调节障碍学说;肌源性自我调节障碍学说;血栓机化学说;脑静脉窦血栓形成学说的不足;分类;Figure Drawings illustrate a classification scheme for transverse-sigmoid sinus dural AVFs that is based on venous drainage patterns: Grade 1, antegrade sinus drainage without venous restriction or cortical venous reflux; Grade 2, antegrade and retrograde sinus drainage with or without cortical venous reflux; Grade 3, retrograde sinus drainage with cortical venous reflux; and Grade 4, cortical venous reflux only. ;病理;Figure 1a.??Drawings (a = lateral view, b = anteroposterior view) illustrate the most common locations of dural AVFs: 1 = cavernous sinus (CS) (20%-40% of cases), 2 = transverse-sigmoid sinus (TS, SS) (20%-60%), 3 =