PMC6057169_01
Preoperative carotid angiography. Anterior-posterior (a) view on preoperative carotid angiography showing moderate stenosis of the right ICA. The origin of the right ophthalmic artery was stenotic (white arrow), and blood flow was delayed (b)
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F1
Also, the origin of the right ophthalmic artery was stenotic and had delayed blood flow on assessment by digital subtraction angiography (DSA) [Figure 1].
Postoperative angiography. Postoperative DSA (a) revealed kinking stenosis of the right ICA (white arrow). CAS was performed, and the stenotic lesion was improved (b). Restenosis did not occur as of 19 months after CAS (c)
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F2
No restenosis was seen by DSA performed 19 months after the procedure [Figure 2].