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We aim to review and highlight various uncommon neurovascular variants and anomalies with a discussion of their relevant embryology and pathology.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A retrospective review of a prospectively maintained neurovascular database was performed to identify uncommon neurovascular variants and anomalies. A pictorial review of these neurovascular findings is provided along with relevant embryological development, clinical significance, and potential pathological associations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A pictorial review of selected neurovascular variants and anomalies is presented. These entities, divided between intra- and extra-cranial findings, include infra-optic origin of the anterior cerebral artery, meningo-ophtalmic artery, duplicated posterior cerebral artery, duplicate middle cerebral artery (MCA), MCA fenestration, twig-like MCA, pure arterial malformation, corkscrew basilar artery, persistent hypoglossal artery, persistent trigeminal artery and its variants, direct branches from the common carotid and cervical internal carotid arteries (ICA) (ascending pharyngeal artery from the ICA, thyroidal arteries from the CCA\/brachiocephalic, arteria thyroidea ima), and extra-cranial carotid fenestration. The angiographic findings of these entities are presented with relevant 3D reconstruction and multimodal cross-sectional imaging correlation when available.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This pictorial review highlights uncommon neurovascular variants and anomalies that neuroradiologists, interventionalists, and neurosurgeons should be aware of for accurate diagnosis and safe interventions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15910199241272718","type":"journal-article","created":{"date-parts":[[2024,8,28]],"date-time":"2024-08-28T05:16:48Z","timestamp":1724822208000},"page":"253-267","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Rare neurovascular variants that you probably have not seen before"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9528-301X","authenticated-orcid":false,"given":"Mohamad","family":"Abdalkader","sequence":"first","affiliation":[{"name":"Boston Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4076-8244","authenticated-orcid":false,"given":"Samuel Z","family":"Hanz","sequence":"additional","affiliation":[{"name":"Boston Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2998-8481","authenticated-orcid":false,"given":"Eytan","family":"Raz","sequence":"additional","affiliation":[{"name":"Departments of Radiology and Neurosurgery, New York University, New York, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marialuisa","family":"Zedde","sequence":"additional","affiliation":[{"name":"AUSL-IRCCS di Reggio Emilia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Neurology and Stroke Center, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosario","family":"Pascarella","sequence":"additional","affiliation":[{"name":"Deparmtent of Radiology, Neuroradiology Unit, AUSL-IRCCS di Reggio Emilia, Reggio Calabria, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhongming","family":"Qiu","sequence":"additional","affiliation":[{"name":"Department of Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raghid","family":"Kikano","sequence":"additional","affiliation":[{"name":"Department of Radiology, Lebanese American University - Gilbert and Rose Mary Chagoury School of Medicine, Beirut, Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2810-1685","authenticated-orcid":false,"given":"Thanh N","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Boston Medical Center"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,8,28]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00276-022-02928-5"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.3171\/jns.1976.44.3.0378"},{"key":"e_1_3_2_4_2","first-page":"16","article-title":"Anterior cerebral artery: variant anatomy and pathology","volume":"10","author":"Tahir RA","year":"2019","unstructured":"Tahir RA, Haider S, Kole M, et al. 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