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Search results with tag "A1 segment"
Anterior Cerebral Artery A1 Segment Hypoplasia May ...
bclab.ym.edu.twAn terior cerebral artery A1 segment hypoplasia is an uncom-mon fetal variant of the circle of Willis. The frequency of this congenital variation is 1–13% as derived from angiograms and autopsy reports. Impaired collateral blood flow through the circle of Willis is a recognized risk factor for ischemic stroke. The A1 segment of the anterior ...
ANGIOTOMOGRAFÍA CEREBRAL: VARIANTES ANATÓMICAS …
www.webcir.orgACA: arteria cerebral anterior (anterior cerebral artery) ACM arteria cerebral media (middle cerebral artery) ACoA: arteria comunicante anterior (anterior com- ... are linked to the PCA and to the A1 segment of the ACA, which is consistent with the literature. Conclusions: The circle of Willis presents variations