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Updated: Jan 27, 2026

Ex Vivo Oculomotor Slice Culture from Embryonic GFP-Expressing Mice for Time-Lapse Imaging of Oculomotor Nerve Outgrowth
Published on: July 16, 2019
Acute Oculomotor Nerve Palsy Caused by Compression from an Aberrant Posterior Communicating Artery
Ali S Haider1, Caleb Gottlich2, Hasan Sumdani3
1Neurosurgery, Texas A&M College of Medicine, Houston, USA.
Abstract:
Oculomotor nerve palsy (ONP) is a rare neurological deficit associated with numerous underlying pathologies. Of these, aneurysm of the posterior communicating artery (PCOM) has been described due to the intimate association with the third cranial nerve in the basal cistern. Less described are other vascular abnormalities and their contribution to ONP. We describe a case of ONP thought to result from a PCOM aneurysm, per the associated magnetic resonance imaging (MRI) scan, yet found intraoperatively to be caused by a congenital vascular aberrancy. This is the first case, to our knowledge, of this presentation.
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