Abstract

PEREZ-FLORES, M.I.; VELASCO-CASARES, M.  and  LORENZO-CARRERO, J.. Painful incomplete third-nerve palsy caused by an internal carotid-communicating posterior artery aneurysm. Arch Soc Esp Oftalmol [online]. 2009, vol.84, n.1, pp.43-46. ISSN 0365-6691.

Clinical case: A 38-year-old woman presented acute-onset, painful incomplete third-nerve palsy caused by an internal carotid-posterior communicating artery (IC-PC) aneurysm. We describe the differential diagnosis with Tolosa-Hunt syndrome and the results after endovascular treatment. Discussion: The presence of pupil-sparing third-nerve palsy may not exclude the presence of an IC-PC aneurysm and orbital magnetic resonance imaging and/or computed tomography imaging must be performed in these cases. The prompt recovery after endovascular treatment is consistent with previous reports.

Keywords : Painful incomplete third-nerve palsy; carotid-posterior communicating artery aneurysm; Tolosa-Hunt; MRI; CAT; embolization.

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