Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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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)
  • Received : 2014.08.21
  • Accepted : 2015.01.23
  • Published : 2016.07.01
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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.

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References

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