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Mydriatic Pupil as the Presenting Sign of Common Carotid Artery Dissection Stroke 29:2653-2655, Koennecke,H.C. & Seyfert,S., 1998 See this aricle in Pubmed Article Abstract We report the case of a patient who presented with a mydriatic pupil after intraoperative injury of the ipsilateral CCA. Mydriasis preceded complete third-nerve palsy and symptoms of cerebral ischemia for 12 hours. Cerebral angiography revealed occlusion of the CCA with slow collateral flow to the internal carotid artery and fetal origin of the posterior cerebral artery, suggesting a hemodynamic mechanism causing ischemia of the oculomotor nerve. Signs of cerebral ischemia and third-nerve palsy resolved completely after reconstructive surgery of the occluded vessel. A mydriatic pupil may be the unusual firsts sign of compromised carotid blood flow and impending cerebral ischemia.

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(click to filter results - removes previous filter) arterial dissection arterial dissection,carotid neuroophthalmology pupil pupil,abnormality in neurologic disorders pupil,dilated,unilateral third nerve palsy

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