A Potentially Catastrophic Anatomical Variation: Aberrant Internal Carotid Artery in the Middle Ear Cavity
Figure 4
MDCT showing that the ECA was entering to the left middle ear, and the tympanic canaliculus was seen as expanded and had a connection with the horizontal (petrous) part of internal carotid artery. JB: jugular bulb, ECA: external carotid artery, and TC: tympanic canaliculus.