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On arrival, he had moderate left hemiplegia, neglect, and sensory loss; the National Institutes of Health Stroke Scale score was 8. Computed tomography angiography (CTA) and magnetic resonance (MR) examination were performed to determine the cause of basal ganglia infarction. Thin-section axial CTA showed a membrane-like structure in the posterior wall of the right common carotid artery. The sagittal reconstruction image showed a membrane-like protrusion in the posterior wall of the right common carotid artery under the right carotid sinus. The MR axial T2 image showed a membrane-like high-signal protrusion into the carotid artery lumen, which was diagnosed as a right carotid web. The patient was treated with dual antihypertensive therapy by adjusting blood pressure, controlling brain edema, improving cerebral circulation, and nourishing the nerves.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Careful comparison of axial thin-layer CTA and MR axial T2 images combined with sagittal reconstruction of CTA images can greatly improve the diagnostic rate of carotid web.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12880-020-00536-6","type":"journal-article","created":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T18:03:54Z","timestamp":1609956234000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Image and clinical analysis of common carotid web: a case report"],"prefix":"10.1186","volume":"21","author":[{"given":"Man","family":"Gao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jing","family":"Lei","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,1,6]]},"reference":[{"key":"536_CR1","doi-asserted-by":"publisher","first-page":"685","DOI":"10.3171\/jns.1981.54.5.0685","volume":"54","author":"FP Wirth","year":"1981","unstructured":"Wirth FP, Miller WA, Russell AP. 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