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AJNR - American Journal of Neuroradiology

Published ahead of print on March 27, 2008
doi: 10.3174/ajnr.A1010

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American Journal of Neuroradiology 29:1095-1097, June-July 2008
© 2008 American Society of Neuroradiology

Case Report
SPINE

Preoperative Onyx Embolization of Aggressive Vertebral Hemangiomas

M.C. Hurley^a,b, B.A. Gross^b, D. Surdell^a,b, A. Shaibani^a,b, K. Muro^b, C.M. Mitchell^c, E.M. Doppenberg^d and B.R. Bendok^a,b

^a Department of Radiology, Feinberg School of Medicine and McGaw Medical Center, Northwestern University, Chicago, Ill
^b Department of Neurological Surgery, Feinberg School of Medicine and McGaw Medical Center, Northwestern University, Chicago, Ill
^c Department of Pathology, Evanston Hospital, Chicago, Ill
^d Department of Neurosurgery, 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.