"Persistent carotid-vertebrobasilar artery anastomoses "
"Intracranial arterial variants, of which there are many, are collectively common. Their clinical significance may be variable, but knowledge and recognition of these variants are fundamental, especially if surgical or endovascular treatments (e.g., for acute stroke, aneurysms, or other vascular pathologies) are being considered 1-4."
"fetal origin of PCA"
Expected headings
"Internal carotid artery"
"Vertebral and basilar arteries"
"Anterior cerebral artery"
"Middle cerebral artery"
"Posterior cerebral artery"
"Persistent carotid-vertebrobasilar artery anastomoses "