Intracranial arteries (variants)
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Intracranial arterial variants, of which there are many, are collectively common. Their clinical significance may be variable but knowledge and recognition of these variants is fundamental, especially if surgical or endovascular treatments (e.g. for acute stroke, aneurysms or other vascular pathologies) are being considered.
Anatomical variations in intracranial arterial anatomy include:
- persistent fetal arteries