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KMID : 1005420160180010012
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Journal of Cerebrovascular and Endovascular Neurosurgery
2016 Volume.18 No. 1 p.12 ~ p.18
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Preoperative Embolization of Extra-axial Hypervascular Tumors with Onyx
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Matthew R. Fusco
Mohamed M. Salem
Arra S. Reddy
Christopher S. Ogilvy
Ekkehard M. Kasper
Ajith J. Thomas
Bradley A. Gross
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Abstract
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Objective:Preoperative endovascular embolization of intracranial tumors is performed to mitigate anticipated intraoperative blood loss. Although the usage of a wide array of embolic agents, particularly polyvinyl alcohol (PVA), has been described for a variety of tumors, literature detailing the efficacy, safety and complication rates for the usage of Onyx is relatively sparse.
Materials and Methods:We reviewed our single institutional experience with pre-surgical Onyx embolization of extra-axial tumors to evaluate its efficacy and safety and highlight nuances of individualized cases.
Results:Five patients underwent pre-surgical Onyx embolization of large or giant extra-axial tumors within 24 hours of surgical resection. Four patients harbored falcine or convexity meningiomas (grade I in 2 patients, grade II in 1 patient and grade III in one patient), and one patient had a grade II hemangiopericytoma. Embolization proceeded uneventfully in all cases and there were no complications.
Conclusion:This series augments the expanding literature confirming the safety and efficacy of Onyx in the preoperative embolization of extra-axial tumors, underscoring its advantage of being able to attain extensive devascularization via only one supplying pedicle.
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KEYWORD
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Embolization, Endovascular, Meningioma, Onyx, Tumor
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