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. 2022 Oct 4;33(2):1088–1101. doi: 10.1007/s00330-022-09025-6

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© The Author(s) 2022, corrected publication 2022

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Fig. 1 — Near-occlusion in the internal carotid artery bulb due to an extensive embolic and now thrombosed fragment. The correct term for this sub-occluded lumen with the collapse of the distal portion of the ICA is “near-occlusion” and not “99% stenosis.” In this case, the distal portion of the ICA as the denominator for the quantification of the degree of stenosis should not be used