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Neil A. Troffkin and Curtis A. Given II

Guglielmi detachable coils . AJNR Am J Neuroradiol 18 : 519 – 523 , 1997 13 Teng MMH , Chang CY , Chiang JH , Lirng JF , Luo CB , Chen SS , : Double-balloon technique for embolization of carotid cavernous fistulas . AJNR Am J Neuroradiol 21 : 1753 – 1756 , 2000 14 Wakhloo AK , Perlow A , Linfante I , Sandhu JS , Cameron J , Troffkin N , : Transvenous n-butyl-cyanoacrylate infusion for complex dural carotid cavernous fistulas: technical considerations and clinical outcome . AJNR Am J Neuroradiol 26 : 1888 – 1897 , 2005

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Jafar J. Jafar, Adam J. Davis, Alejandro Berenstein, In Sup Choi, and Mark J. Kupersmith

not recanalize when a solid column is introduced. Isobutyl 2-cyanoacrylate (IBCA) has been the predominant acrylic used in endovascular therapy of AVM's; however, IBCA has been criticized for complicating the surgical resection of vascular malformations. 15, 17, 21 A more accommodating embolization material is required to assist the surgeon intraoperatively. Since 1987, the authors have used N-butyl cyanoacrylate * (NBCA) exclusively for the endovascular treatment of AVM's. It was thought that, because of advantageous material properties, NBCA would be superior to

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Kevin C. Yao and Adel M. Malek

of California San Francisco preliminary experience . Technol Cancer Res Treat 6 : 595 – 604 , 2007 10.1177/153303460700600602 16 Sakata K , Hareyama M , Oouchi A , Sido M , Nagakura H , Tamakawa M , : Radiotherapy of vertebral hemangiomas . Acta Oncol 36 : 719 – 724 , 1997 10.3109/02841869709001344 17 Schirmer CM , Malek AM , Kwan ES , Hoit DA , Weller SJ : Preoperative embolization of hypervascular spinal metastases using percutaneous direct injection with n-butyl cyanoacrylate: technical case report . Neurosurgery

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Sabareesh Kumar Natarajan, Donald Born, Basavaraj Ghodke, Gavin W. Britz, and Laligam N. Sekhar

, Vinters HV , Robert J : Technical feasibility and histopathologic studies of ethylene vinyl copolymer (EVAL) using a swine endovascular embolization model . AJNR Am J Neuroradiol 15 : 1107 – 1115 , 1994 5 Debrun GM , Aletich V , Ausman JI , Charbel F , Dujovny M : Embolization of the nidus of brain arteriovenous malformations with n-butyl cyanoacrylate . Neurosurgery 40 : 112 – 121 , 1997 6 Deveikis JP : Endovascular therapy of intracranial arteriovenous malformations. Materials and techniques . Neuroimaging Clin N Am 8 : 401 – 424

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Yince Loh and Gary R. Duckwiler

. Portions of this work were presented in abstract form at the 43rd Annual Meeting of the American Society of Neuroradiology held in Toronto, Ontario, Canada, on May 21, 2005. References 1 Akin ED , Perkins E , Ross IB : Surgical handling characteristics of an ethylene vinyl alcohol copolymer compared with N-butyl cyanoacrylate used for embolization of vessels in an arteriovenous malformation resection model in swine . J Neurosurg 98 : 366 – 370 , 2003 2 Arat A , Cekirge S , Saatci I , Ozgen B : Transvenous injection of Onyx for casting of

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Eric D. Akin, Eddie Perkins, and Ian B. Ross

: 1107–1115, 1994 6. Jafar JJ , Davis AJ , Berenstein A , et al : The effect of embolization with N-butyl cyanoacrylate prior to surgical resection of cerebral arteriovenous malformations. J Neurosurg 78 : 60 – 69 , 1993 Jafar JJ, Davis AJ, Berenstein A, et al: The effect of embolization with N-butyl cyanoacrylate prior to surgical resection of cerebral arteriovenous malformations. J Neurosurg 78: 60–69, 1993 7. Jahan R , Murayama Y , Gobin YP , et al : Embolization of arteriovenous

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Jong-Hyuk Park, Yong-Sook Park, Jong-Sik Suk, Seung-Won Park, Sung-Nam Hwang, Taek-Kyun Nam, Young-Baeg Kim, and Won-Bok Lee

–4 laminectomies were performed, and 30 μl of ferritin was infused into a lumbar cistern. All of these animals were sacrificed 48 hours after the tracer injection. Results N -Butyl Cyanoacrylate–Induced Hydrocephalus Eight of 10 animals developed hydrocephalus. Ventricular enlargement was defined as the Evans index of the maximal width of the lateral ventricles divided by the maximal width of the brain on the coronal section at the interventricular foramen. The mean Evans index was 0.45 ± 0.04 in these 8 animals, which was significantly larger than that in the sham

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Aadil S. Chagla and Srikant Balasubramaniam

Complications of arteriovenous malformation (AVM) embolization are well known, but infection of the embolized AVM nidus is extremely rare. There are only 2 reported cases of abscesses arising after embolization of cerebral AVMs. 3 , 4 We report the third case in a patient who developed a delayed multiloculated abscess after undergoing an uneventful embolization. In 2002, a 24-year-old nonimmunocompromised man, with a known left parietal AVM and right focal seizures, underwent embolization of the AVM in which Hystoacryl glue ( N -butyl cyanoacrylate [NBCA

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Silvia Gesheva, William T. Couldwell, Vance Mortimer, Philipp Taussky, and Ramesh Grandhi

Dural arteriovenous fistulae (dAVFs) are vascular anomalies formed by abnormal connections between branches of dural arteries and dural veins or dural venous sinus(es). These pathologic shunts constitute 10%–15% of all intracranial arteriovenous malformations. The hallmark of malignant dAVFs is the presence of cortical venous drainage, a finding that increases the likelihood of nonhemorrhagic neurologic deficit, intracranial hemorrhage, and mortality if left unaddressed. Endovascular approaches have become the primary modality for the treatment of dAVFs. The authors present a case of staged endovascular transarterial embolization of a malignant dAVF running parallel to the left transverse sinus in a patient with headaches and pulsatile tinnitus. The fistula was completely treated using Onyx and n-butyl cyanoacrylate.

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Peter Kim Nelson, Stephen M. Russell, Henry H. Woo, Anthony J. G. Alastra, and Danko V. Vidovich

of intracranial dural arteriovenous fistulae: role of venous drainage. Neurosurgery 47 : 56 – 67 , 2000 Collice M, D'Aliberti G, Arena O, et al: Surgical treatment of intracranial dural arteriovenous fistulae: role of venous drainage. Neurosurgery 47: 56–67, 2000 5. Debrun GM , Aletich V , Ausman JI , et al : Embolization of the nidus of brain arteriovenous malformations with n-butyl cyanoacrylate. Neurosurgery 40 : 112 – 121 , 1997 Debrun GM, Aletich V, Ausman JI, et al: Embolization of the nidus