经眶窗检测颈内动脉虹吸段时，其流速受瘘口所在位置的影响，观察颅内盗血情况可粗略估价瘘口大小。
When internal carotid siphon was investigated via orbital window, its velocity changed with the position of fistula orifice which can be estimated roughly by extent of intracranial stolen blood.
结果提示，搏动性眼球突出，眶区闻及与脉搏一致的血管性杂音，球结膜血管高度扩张，为颈内动脉海绵窦瘘的眼部特征性表现；
It suggested that the pulsating exophthalmos, vessel murmur in eyelid and marked conjunctival vessel dilatation were the characteristics of ocular manifestations in CCF.
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