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Fusiform aneurysm on the basilar artery trunk treated with intra-aneurysmal embolization with parent vessel occlusion after complete preoperative occlusion test.

Abstract：

:Fusiform aneurysms on the basilar artery (BA) trunk are rare. The microsurgical management of these aneurysms is difficult because of their deep location, dense collection of vital cranial nerves, and perforating arteries to the brain stem. Endovascular treatment is relatively easier and safer compared with microsurgical treatment. Selective occlusion of the aneurysmal sac with preservation of the parent artery is the endovascular treatment of choice. But, some cases, particularly giant or fusiform aneurysms, are unsuitable for selective sac occlusion. Therefore, endovascular coiling of the aneurysm with parent vessel occlusion is an alternative treatment option. In this situation, it is important to determine whether a patient can tolerate parent vessel occlusion without developing neurological deficits. We report a rare case of fusiform aneurysms in the BA trunk. An 18-year-old female suffered a headache for 2 weeks. Computed tomography and magnetic resonance image revealed a fusiform aneurysm of the lower basilar artery trunk. Digital subtraction angiography revealed a 7.1×11.0 mm-sized fusiform aneurysm located between vertebrovasilar junction and the anterior inferior cerebellar arteries. We had good clinical result using endovascular coiling of unruptured fusiform aneurysm on the lower BA trunk with parent vessel occlusion after confirming the tolerance of the patient by balloon test occlusion with induced hypotension and accompanied by neurophysiologic monitoring, transcranial Doppler and single photon emission computed tomography. In this study, we discuss the importance of preoperative meticulous studies for avoidance of delayed neurological deficit in the patient with fusiform aneurysm on lower basilar trunk.

journal_name

J Korean Neurosurg Soc

journal_title

Journal of Korean Neurosurgical Society

authors

Jung YJ,Kim MS,Choi BY,Chang CH

doi

10.3340/jkns.2013.53.4.235

subject

Has Abstract

pub_date

2013-04-01 00:00:00

pages

235-40

issue

eissn

2005-3711

issn

1598-7876

journal_volume

pub_type

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Fusiform aneurysm on the basilar artery trunk treated with intra-aneurysmal embolization with parent vessel occlusion after complete preoperative occlusion test.