Preoperative Embolization of Skull Base Meningiomas: Outcomes in the Onyx Era

World Neurosurgery
Colin J PrzybylowskiFelipe C Albuquerque

Abstract

Preoperative embolization may facilitate skull base meningioma resection, but its safety and efficacy in the Onyx era have not been investigated. In this retrospective cohort study, we evaluated the outcomes of preoperative embolization of skull base meningiomas using Onyx as the primary embolysate. We queried an endovascular database for patients with skull base meningiomas who underwent preoperative embolization at our institution in 2007-2017. Patient, tumor, procedure, and outcome data were analyzed. Twenty-eight patients (28 meningiomas) underwent successful preoperative meningioma embolization. The mean patient age ± SD was 56 ± 13 years, and 18 patients (64%) were women. The mean tumor size was 49 cm3. There were 1, 2, or 3 arterial pedicles embolized in 21 cases (75%), 6 cases (21%), and 1 case (4%), respectively. The embolized pedicles included branches of the middle meningeal artery in 19 cases (68%), the internal maxillary artery in 8 cases (29%), the ascending pharyngeal artery in 2 cases (7%), and the posterior auricular, ophthalmic, occipital, and anterior cerebral arteries in 1 case each (4%). The embolysates used were Onyx alone in 20 cases (71%), n-butyl cyanoacrylate alone in 3 cases (11%), coils/particles and...Continue Reading

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Citations

Sep 6, 2019·Surgical and Radiologic Anatomy : SRA·Céline SalaudAntoine Hamel
Jul 17, 2019·Journal of Neurointerventional Surgery·Guilherme BarrosMichael R Levitt
Jan 11, 2020·Acta neurochirurgica·Joshua S CatapanoFelipe C Albuquerque
Jul 31, 2019·AJR. American Journal of Roentgenology·Vera MayercikMichael Iv
Sep 26, 2020·Frontiers in Oncology·Lianhua ZhaoZaiyu Guo
Mar 30, 2019·The Neuroradiology Journal·Guangming WangJinlu Yu

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