A 68-year-old man presented with right cervical carotid artery stenosis manifesting as ipsilateral amaurosis fugax. Angiography showed non-bifurcating cervical carotid artery with atherosclerotic stenosis near the branching of the superior thyroid artery. Carotid artery stenting (CAS) was carried out using two balloons for embolic protection of the internal carotid artery and middle meningeal artery because the ophthalmic artery was supplied by the middle meningeal artery. No procedure-related complications or restenosis occurred after stenting. Non-bifurcating cervical carotid artery is a very rare anomaly, in which the branches of the external carotid artery directly arise from the common trunk of the carotid artery without forming a bifurcation. The present patient was successfully treated with CAS for atherosclerotic stenosis associated with non-bifurcating cervical carotid artery.
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