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目的：为经眼上静脉入路行海绵窦栓塞术，治疗颈动脉海绵窦瘘提供解剖学依据。方法：成人头部标本２４个，解剖观测眼上静脉及其眶外属支的形态、长度及外径等。结果：①眼上静脉由眶上静脉支和内眦静脉交通支组成。眶上静脉支穿经眶上孔处外径为１．３ｍｍ。内眦静脉外径为１．４ｍｍ，距内眦６～８ｍｍ，其交通支外径为１．４ｍｍ；②眼上静脉在眶腔内分为三段，外径平均达２．１～２．５ｍｍ。结论：经眼上静脉眶外属支入路具有可行性。
OBJECTIVE: To provide anatomic evidence for the treatment of carotid cavernous fistula by embolization of the cavernous sinus via ophthalmic vein. Methods: Twenty-four adult head specimens were dissected to observe the shape, length and diameter of the supraorbital veins and their orbital branches. Results: â’¡ supraorbital vein by the supraorbital branch and medial femoral vein traffic branch. The supraorbital vein branch through the supraorbital hole diameter of 1.3mm. The diameter of the medial veins is 1.4mm, 6 ~ 8mm from the medial fossa, and the diameter of the traffic branch is 1.4mm. ② The superior ophthalmic vein is divided into three sections in the orbital cavity with an average diameter of 2.1-2. 5mm. Conclusion: The extraocular orbital infrarenal approach is feasible.