ArticleSurgical and radiologic anatomy : SRA2025
True fenestration of an extremely long anterior communicating artery diagnosed by magnetic resonance angiography.
Article in Surgical and radiologic anatomy : SRA, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Bilateral anterior cerebral artery-anterior communicating artery junction arterial ring (duplicate origin of the A2) associated with unilateral A1 aplasia diagnosed by magnetic resonance angiography.Surgical and radiologic anatomy : SRA · 2025Article
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Abstract
purposeTo describe a case of true fenestration of an extremely long anterior communicating artery (ACoA).
methodsA 3-year-old boy with a history of a ventricular septal defect and aortic coarctation underwent magnetic resonance imaging (MRI) and angiography (MRA) of the head and neck regions using a 3-Tesla scanner, for follow-up of stenosis at the origin of the innominate artery, which was a complication of aortic arch coarctation surgery.
resultsMRA of the head region showed an extremely long ACoA of approximately 20 mm in length, with a fenestration of approximately 5 mm in size. No aneurysms were observed.
conclusionAccording to a meta-analysis, the mean length of the ACoA was 2.84 mm (0.38-10.4 mm). The ACoA has been reported to be the most frequent site of fenestration of intracranial arteries. However, most reported ACoA fenestrations are not true fenestrations, but duplications or partial duplications. We herein report a case of true fenestration of an extremely long ACoA, which is an extremely rare variant. To our knowledge, this is the first report of such an association in the relevant English language literature.
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