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http://dx.doi.org/10.3340/jkns.2016.59.4.414

Usefulness of Motor-Evoked Potentials Monitoring for Neurosurgical Treatment of an Unusual Distal Anterior Choroidal Artery Aneurysm  

Champeaux, Charles (Department of Neurosurgery, Institute of Neurological Sciences, Southern General Hospital)
Jecko, Vincent (Department of Neurosurgery, University Hospital of Bordeaux, Pellegrin Hospital)
Eimer, Sandrine (Department of Neuropathology,University Hospital of Bordeaux, Pellegrin Hospital)
Penchet, Guillaume (Department of Neurosurgery, University Hospital of Bordeaux, Pellegrin Hospital)
Publication Information
Journal of Korean Neurosurgical Society / v.59, no.4, 2016 , pp. 414-419 More about this Journal
Abstract
A 35 years old woman presented with an acute meningeal syndrome following an intra ventricular haemorrhage without subarachnoid haemorrhage. The angiography demonstrated a 6 mm partially thrombosed saccular aneurysm at the plexal point of the right anterior choroidal artery (AChoA). It was surgically approached inside the ventricle through a trans-temporal corticotomy. The aneurysm was excised after distal exclusion of the feeding artery under motor-evoked potentials monitoring. Of the 19 cases of distal AChoA aneurysm neurosurgical treatment, this is the only one performed under electrophysiology monitoring, a simple and safe method to detect and prevent motor tract ischemia. We discuss this rare case, along with a comprehensible review of the literature of the previous surgical cases of distal AChoA aneurysms.
Keywords
Anterior choroidal artery; Cerebral aneurysm; Motor evoked potentials; Neurosurgical treatment; Intra ventricular haemorrhage;
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