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Images in Neurology |

False-Positive Transient Ischemic Attack Due to Intraocular Lesion

Leonard L. L. Yeo, MRCP; Jonathan J. Y. Ong, MRCP; Vijay K. Sharma, MD, RVT
JAMA Neurol. 2013;70(4):519. doi:10.1001/jamaneurol.2013.615.
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A 70-year-old man, taking regular medications for hypertension and hypercholesterolemia, presented with a 3-week history of recurrent transient episodes of flashes of light and blurred vision in the left eye. Initial episodes lasted about 10 minutes each and often cleared like a “rising curtain.” Results of neurologic examination and computerized tomography of the brain were unremarkable. Vascular evaluation revealed occlusion of the right internal carotid artery. He was diagnosed as having transient ischemic attacks and commenced taking aspirin and statins.

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Figure. Magnetic resonance imaging of the brain. A, T2-weighted axial section shows absence of normal flow voids in the right internal carotid artery due to an occlusive lesion (bent arrow). The left eyeball shows subretinal fluid collection in the axial (A) and sagittal (B) views (straight arrows).




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