Vestibular line of Lapayowker
The vestibular line of Lapayowker refers to a vertical line passing down the most lateral aspect of vestibular apparatus. The petrous part of internal carotid artery lies medial to this line but lies lateral to it in the case of an aberrant internal carotid artery which is the characteristic angiographic finding.
History and etymology
It was first described by Lapayowker et al.