Radiological classification of azygos anterior cerebral artery and evaluation of the accompanying vascular anomalies

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dc.authoridBeyhan, Murat/0000-0002-8630-4632
dc.authoridGokce, Erkan/0000-0003-3947-2972
dc.contributor.authorBeyhan, Murat
dc.contributor.authorGokce, Erkan
dc.contributor.authorKarakus, Kayhan
dc.date.accessioned2024-11-07T13:31:41Z
dc.date.available2024-11-07T13:31:41Z
dc.date.issued2020
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractPurpose There is not a classification of azygos anterior cerebral artery (ACA) based on anatomical branching levels in the literature. In the present study, a classification of azygos ACA was made based on radiological imaging for a common terminology, and frequency, accompanying vascular anomalies and malformations were investigated. Methods A total of 4913 cases who had brain CTA, MRA, contrast-enhanced MRI and DSA in January 2010-January 2020 period were screened for the study. Based on anatomical branching level, azygos ACAs were classified into four groups. Aneurysms, anomalies and malformations accompanying azygos ACA were identified. The associations of azygos ACA types with the presence of aneurysm or ACA A1 segment anomalies were investigated. Results Azygos ACA was observed in 57 cases (29 male and 28 female) and frequency of azygos ACA was 1.16%. Average age of the cases with ACA was 56.19 +/- 19.65 years. Forty-eight of the cases had type C azygos ACA, four cases type B, four cases type D and one case type A azygos ACA. A total of nine intracranial aneurysms were identified in seven of the cases (12.28%). Five of the aneurysms were located in MCA and four in distal ACA. Most common vascular anomalies accompanying azygos ACA were unilateral vertebral artery hypoplasia and ACA A1 segment hypoplasia. Azygos types did not have significant correlations with the presence of aneurysms or ACA A1 segmental anomalies (p = 0.683 andp = 0.949, respectively). Conclusion Azygos ACA is a rare variation, but it could be accompanied by aneurysms or other vascular anomalies.
dc.identifier.doi10.1007/s00276-020-02509-4
dc.identifier.endpage1354
dc.identifier.issn0930-1038
dc.identifier.issn1279-8517
dc.identifier.issue11
dc.identifier.pmid32472183
dc.identifier.scopus2-s2.0-85085573025
dc.identifier.scopusqualityQ2
dc.identifier.startpage1345
dc.identifier.urihttps://doi.org/10.1007/s00276-020-02509-4
dc.identifier.urihttps://hdl.handle.net/11480/14961
dc.identifier.volume42
dc.identifier.wosWOS:000556449500001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer France
dc.relation.ispartofSurgical and Radiologic Anatomy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectAneurysm
dc.subjectAzygos anterior cerebral artery
dc.subjectComputerized tomography angiography
dc.subjectMagnetic resonance angiography
dc.subjectUnpaired pericallosal artery
dc.titleRadiological classification of azygos anterior cerebral artery and evaluation of the accompanying vascular anomalies
dc.typeArticle

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