Abstract:BACKGROUND AND IMPORTANCE:Resection of olfactory groove meningiomas is challenging because of their close proximity with the anterior cerebral circulation. It is important to recognize the vascular variants in procedures at the anterior skull base because inadvertent maneuvers may result in the rupture of these arteries and unexpected bleeding.CLINICAL PRESENTATION:We reported a type 2 persistent primitive olfactory artery with a dural branch of the elongated anterior cerebral artery directly to the ethmoid re… Show more
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