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AJNR - American Journal of Neuroradiology

Publication Preview: Published March 27, 2008

American Journal of Neuroradiology 2008;29:1095.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A1010

SPINE

Preoperative Onyx Embolization of Aggressive Vertebral Hemangiomas

M.C. Hurley, B.A. Gross, D. Surdell, A. Shaibani, K. Muro, C.M. Mitchell, E.M. Doppenberg and B.R. Bendok

From the Departments of Radiology (M.C.H., D.S., A.S., B.R.B.) and Neurological Surgery (M.C.H., B.A.G., D.S., A.S., K.M., B.R.B.), Feinberg School of Medicine and McGaw Medical Center, Northwestern University, Chicago, Ill; and Departments of Pathology (C.M.M.) and Neurosurgery (E.M.D.), Evanston Hospital, Chicago, Ill.

Please address correspondence to Bernard R. Bendok, Department of Neurological Surgery and Radiology, Feinberg School of Medicine, Northwestern University, 676 North St Clair St, Suite 2210, Chicago, IL 60611; e-mail: bbendok{at}nmff.org

SUMMARY: We report the first use of Onyx in the embolization of spinal tumors in 2 cases of aggressive vertebral hemangioma. In both cases, Onyx embolization provided effective preoperative tumor devascularization after the initial prolonged particulate embolization with Embospheres made little overall impact. Onyx enables a more rapid and visible embolization than particles and is less technically demanding than traditional liquid embolic agents, such as n-butyl cyanoacrylate.