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Daniel de H. Christoph, MD; Fabiana Souza-Lima, MD; Mario A. da C. Saporta, MD; Gabriel R. de Freitas, MD, PhD

Arch Neurol. 2009;66(8):1034.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A 45-year-old man with a history of smoking experienced sudden onset of loss of vision on his left side and transitory left hemiparesis. There was no history of recent trauma. Examination showed mild left hemiparesis and hypoesthesia, and left homonymous hemianopsia. Cranial computed tomographic imaging findings at admission were normal. Magnetic resonance imaging demonstrated a right occipital lobe infarction in the territory of the right posterior cerebral artery (PCA) (Figure, A and B). Transcranial Doppler sonography demonstrated collateral blood supply to the right hemisphere via the anterior communicating artery and no flow on the right carotid siphon or right PCA. Magnetic resonance angiographic imaging showed occlusion of both the right internal carotid artery (ICA) and the second portion of the right PCA (P2). There was also asymmetry of . . . [Full Text of this Article]

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