RT Journal Article SR Electronic T1 Preoperative Embolization of a Cervicodorsal Paraganglioma by Direct Percutaneous Injection of Onyx and Endovascular Delivery of Particles JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1907 OP 1909 VO 27 IS 9 A1 Quadros, R.S. A1 Gallas, S. A1 Delcourt, C. A1 Dehoux, E. A1 Scherperel, B. A1 Pierot, L. YR 2006 UL http://www.ajnr.org/content/27/9/1907.abstract AB SUMMARY: We report the feasibility and efficacy of percutaneous injection of Onyx (Micro Therapeutics, Irvine, Calif.), a nonadhesive liquid embolic agent, into an unusually located paraganglioma, followed by endovascular embolization with particles before surgery.