Surgical anatomy of the anterior choroidal artery: Complex morphometry and morphological analysis of its origin and relations

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dc.authorid0009-0002-7908-7534
dc.authorid0000-0003-3728-6930
dc.authorid0000-0002-2786-2722
dc.authorid0000-0002-0337-4927
dc.authorid0000-0001-7958-3170
dc.contributor.authorKaçur, İdil
dc.contributor.authorNteli Chatzioglou, Gkionoul
dc.contributor.authorNas, Emine
dc.contributor.authorCoşkun, Osman
dc.contributor.authorGayretli, Özcan
dc.date.accessioned2026-01-05T13:12:26Z
dc.date.available2026-01-05T13:12:26Z
dc.date.issued2025
dc.departmentFakülteler, Tıp Fakültesi, Temel Tıp Bilimleri Bölümü, Anatomi Ana Bilim Dalı
dc.description.abstractBackground The anterior choroidal artery (AChA) and posterior communicating artery (PComA) are critical vessels with significant anatomical variations. Detailed knowledge of their morphometry and origin is essential for neurovascular surgery and understanding cerebrovascular pathology. Methods This study was conducted on 62 fresh cadavers (124 hemispheres). The external diameters of the internal carotid artery (ICA) and PComA were measured. The AChA was clas sified based on its origin: Type 1 (from the ICA), Type 2 (from the ICA bifurcation), or Type 3 (from the PComA). The distance from the AChA origin to the PComA origin was measured for each type. The circumferential origin of the AChA from the ICA was also documented. Results The mean external diameter of the ICA was 3.77±0.77 mm. The proximal, middle, and distal external diameters of the PComA were 1.01±0.49 mm, 0.97±0.48 mm, and 0.90±0.45 mm, respec tively, with a mean length of 14.82±4.74 mm. The AChA originated from the ICA (Type 1) in 76.9% of hemispheres, from the ICA bifurcation (Type 2) in 21.4%, and from the PComA (Type 3) in 1.7%. The distance between the AChA and PComA origins differed significantly between types, being greatest for Type 2 (4.73±1.16 mm) compared to Type 1 (3.98±1.23 mm) (p=0.001). The AChA most commonly arose from the posterior wall of the ICA (84.68%). Conclusion This study provides detailed morphometric data on the AChA and PComA in a Turkish/Caucasian population, revealing a notably high prevalence of the AChA originating from the ICA bifurcation. The significant difference in the AChA-PComA distance based on the origin type may have important implications for surgical planning and hemodynamic modeling, underscoring the clinical relevance of these anatomical variations.
dc.identifier.citationKaçur, İ., Nteli Chatzioglou, G., Nas, E., Coşkun, O., & Gayretli, Ö. (2025). Surgical anatomy of the anterior choroidal artery: Complex morphometry and morphological analysis of its origin and relations. Neurosurgical Review, 49(1), pp. 1-13. https://doi.org/10.1007/s10143-025-04008-9
dc.identifier.doi10.1007/s10143-025-04008-9
dc.identifier.endpage13
dc.identifier.issn1437-2320
dc.identifier.issue1
dc.identifier.pmidPMID: 41402668
dc.identifier.scopus2-s2.0-105025062626
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.1007/s10143-025-04008-9
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1226
dc.identifier.volume49
dc.identifier.wosWOS:001639904900001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorNteli Chatzioglou, Gkionoul
dc.institutionauthorid0000-0003-3728-6930
dc.language.isoen
dc.publisherSpringer Nature Link
dc.relation.ispartofNeurosurgical Review
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAnterior Choroidal Artery
dc.subjectPosterior Communicating Artery
dc.subjectCircle of Willis
dc.subjectMicrosurgical Anatomy
dc.subjectMorphometry
dc.subjectCadaver
dc.titleSurgical anatomy of the anterior choroidal artery: Complex morphometry and morphological analysis of its origin and relations
dc.typeArticle
dspace.entity.typePublication

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