Vertebral Artery Dissection Leading to Fornix Infarction: A Case Report.

Background: The subcallosal artery is a proximal branch of the anterior communicating artery and has been recognized as the vessel responsible for fornix infarction. Fornix infarction caused by vascular damage to the posterior circulation has not been reported previously.

Results: A 26-year-old woman suffered from fornix infarction due to artery-to-artery embolism after vertebral artery dissection.