Acute, painful, transient, right-sided, monocular visual loss lasting 4 hours developed in a 46-year-old man. This was followed by headache and left-sided transient hemiparesis. The association of ipsilateral transient vision loss with transient contralateral hemiparesis implicates involvement of the ipsilateral internal carotid artery (i.e., a crossed symptom).
Keywords: amaurosis fugax; cross sign; hemiparesis; internal carotid dissection; vision loss.
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