Mixed Dural-pial Arteriovenous Malformation of the Anterior Cranial Fossa in Incidental Association with Occlusion of Contralateral Middle Cerebral Artery : A Case Report

Kanai, Hideki; Umezu, Masanari; Koide, Kazuo

doi:10.7887/jcns.9.615

Cited by 1 publication

(1 citation statement)

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“…11,19,30) Mixed pial-dural AVM in the anterior cranial fossa is rare, with only 11 reported cases. 6,8,12,13,17,26,27,29,[31][32][33] Two types of mixed pial-dural AVM occur in the anterior cranial fossa: one with the nidus in the brain parenchyma of the frontal lobe, and the other with the shunting point in the dura mater.…”

Section: Introductionmentioning

confidence: 99%

Mixed Pial-Dural Arteriovenous Malformation in the Anterior Cranial Fossa -Two Case Reports-

Jimbo

Ikeda

Izawa

et al. 2010

Neurol. Med. Chir.(Tokyo)

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Most arteriovenous malformations (AVMs) associated with the meningeal artery in the anterior cranial fossa are the pure dural type, and mixed pial-dural AVMs are rare. Two types of mixed pial-dural AVM occur in the anterior cranial fossa according to the shunting point: one with the nidus in the brain parenchyma of the frontal lobe, and the other with the shunting point in the dura mater. We describe two patients with AVMs fed by the anterior ethmoidal arteries and the persistent primitive olfactory artery, with the nidus located in the pure brain parenchyma of the inferior aspect of frontal lobe, and drained via an abnormal cortical vein into the cavernous and superior sagittal sinuses. The importance of occluding the venous outflow to obliterate intracranial dural arteriovenous fistula (AVF) is emphasized. However, removal of the nidus in the brain parenchyma is required. The presence of a pial feeder should be considered before diagnosis of dural AVF of the anterior cranial fossa, and preoperative detailed evaluation for the pial supply and shunting point is mandatory.

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