Clipping of the ethmoidalarteries and estrogen therapy will be proposed when the vessels responsible for the bleeds are inaccessible to endovascular therapy.
在血管腔内疗法不能抵达出血相关的血管时，考虑筛动脉钳夹和雌激素疗法。
2
Conclusion: the origin and intraorbital course of the ethmoidal artery is variable, which is more common in the posterior ethmoidal artery than in the anterior ethmoidalarteries.
结论：筛动脉的起始及眶内走行多变异，筛后动脉变异较筛前动脉多见。
3
Results: Ethmoidal crest was located infra-anterior to the sphenopalatine foramen and anterior to the lateral posterior nasal arteries.