RT Journal Article SR Electronic T1 Preoperative Onyx Embolization of Meningiomas Fed by the Ophthalmic Artery: A Case Series JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A2591 A1 F. Trivelatto A1 G.S. Nakiri A1 M. Manisor A1 R. Riva A1 M. Al-Khawaldeh A1 I. Kessler A1 C. Mounayer YR 2011 UL http://www.ajnr.org/content/early/2011/08/11/ajnr.A2591.abstract AB SUMMARY: Embolization of head and neck hypervascular tumors is a well-established therapeutic technique. Preoperative embolization reduces intraoperative blood loss, shortens the length of surgery, and decreases surgical morbility and mortality. This study assesses the safety and efficacy of preoperative embolization of meningiomas fed by the OPH by using Onyx liquid embolic agent.