Author Response: The Index Vein Pointing to the Origin of the Migraine Aura Symptom: A Case Series

We thank Dr. Bugnicourt and Dr. Godefroy for their comments on our article.1 We agree with their statements on the potential release of vasoactive factors during migraine aura and on the limitations around reversibility and the potentially low prevalence of an index vein. Naturally, a case series has to deal with the data given, and only 1 patient had follow-up imaging. The aim of our study was to introduce the phenomenon of the index vein. It...