Background: Foramen Vesalius also called as the emissary sphenoidal foramen is an inconstant foramen located anteromedial to the foramen ovale opening near the scaphoid fossa. An emissary vein passes through this foramen and communicates with the cavernous sinus. The importance of this foramen is that it offers a path to the spread of an infection from the extracranial source to the cavernous sinus, this foramen is considered as an inconstant channel