{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T10:42:26Z","timestamp":1750243346681},"reference-count":18,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec id=\"st1\">\n<jats:title>Background: <\/jats:title>\n<jats:p>Anatomy of the hippocampal arterial supply is key to successful surgeries in this area. The goal of the current study is to present the results we obtained from our microsurgical dissections of the temporal lobe and to propose a new classification for the hippocampal arteries (HAs).<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st2\">\n<jats:title>Methods: <\/jats:title>\n<jats:p>Fifty-six brain hemispheres were analyzed. All dissections in this study were made using 3\u201340\u00d7 at the surgical microscope.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st3\">\n<jats:title>Results: <\/jats:title>\n<jats:p>The hippocampal arterial vasculature can be divided into six groups, according to their frequencies: Group A: mixed arterial vasculature originating from the anterior choroidal artery anterior choroidal artery, posterior cerebral artery (PCA), anterior infratemporal artery (AIA), and splenic artery (SA). Group B: Main origin at the temporal branches \u2013 main inferotemporal trunk, middle inferotemporal artery, posterior inferotemporal artery, AIA, or main branch of PCA. Group C: AIA as the main branch of the hippocampus. Group D: HAs originating from the main branch of PCA. Group E: A single hippocampal artery with the origin at the main branch of PCA. This single artery covered all of the structure and is named Ushimura\u2019s artery. Group F: The hippocampal vessels arose exclusively from the parieto-occipital artery, calcarine artery (CA), and the SA.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st4\">\n<jats:title>Conclusion: <\/jats:title>\n<jats:p>This study proposes a new classification for the hippocampal vascularization, according to the origin of HAs. One of the groups has not yet been described in the literature \u2013 in which the HAs arise from the parieto-occipital artery, SA, and CA.<\/jats:p>\n<\/jats:sec>","DOI":"10.25259\/sni_708_2020","type":"journal-article","created":{"date-parts":[[2020,11,6]],"date-time":"2020-11-06T08:42:37Z","timestamp":1604652157000},"page":"378","update-policy":"http:\/\/dx.doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Hippocampal vascularization: Proposal for a new classification"],"prefix":"10.25259","volume":"11","author":[{"given":"Gustavo Rassier","family":"Isolan","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, The Center for Advanced Neurology and Neurosurgery (CEANNE Brazil), Brazil,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco Antonio","family":"Stefani","sequence":"additional","affiliation":[{"name":"Department of Anatomy, UFRGS, Rio Grande do Sul, 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