Diagnostic Performance of Carotid Ring Sign on CT-Angiography in Internal Carotid True Occlusion.
Ting-Yu YiYi SuiDinghuan ZhengXinwen RenXiao-Hui LinYanmin WuDinglai LinZhinan PanXiu-Fen ZhengGanji HongMeihua WuLisan ZengWenhuo ChenPublished in: Stroke (2024)
Carotid ring sign is a potent imaging marker in diagnosing ICA TO. Carotid ring sign could be complementary to delayed contrast filling sign in differentiating TO from PO, in particular in centers with only single-phasic CTA.