Abstract
The complications of dural and direct cavernous sinus fistula (CCF) arise mainly from the specific venous route. However, embolization at an inappropriate site within the cavernous sinus (CS) is also a major factor. Therefore, we first diagrammed the surrounding structures of the CS to elucidate the specificity of the venous routes. Next, we divided the inside structure of the CS into four compartments, to examine orifices at which part we can start embolization with the least danger of causing complications when we have to embolize them within the CS. We obtained findings which will be useful to prevent complications such as subarachnoid haemorrhage, glaucoma, central retinal vein thrombosis and marked neurological impairment.
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