Unique extrancranial-to-intracranial neovascularization found on diagnostic angiography prior to skull base atypical grade 2 meningioma resection: a case report and hypothesis.

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Unique extrancranial-to-intracranial neovascularization found on diagnostic angiography prior to skull base atypical grade 2 meningioma resection: a case report and hypothesis.

World Neurosurg. 2016 Aug 26;

Authors: Feng R, Oermann EK, Oxley T, Shrivastava R

Abstract
Meningiomas are common intracranial tumors that can have complex arterial supply. A patient with a recurrent large left clinoid aypical grade 2 meningioma was found to have left proximal middle cerebral artery (MCA) occlusion, and reconstitution of her MCA circulation from her left middle meningeal artery on diagnostic angiography. The planned surgical approach consequently adjusted to preserve the left external carotid artery circulation in a difficult meningioma resection. This case illustrates a role for preoperative angiography in surgical planning of patients with complex skull base tumors involving intracranial vascular structures and highlights the unique neovascularization that can often take place as meningiomas parasitize the exracranial blood supply.

PMID: 27576195 [PubMed - as supplied by publisher]

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