Elongation der Arteria carotis

Ectopic

internal carotid artery presenting as an oropharyngeal mass. a. CT scan of the neck, following contrast administration. Axial section of the level of the oropharynx, demonstrates the horizontal extension of the right ICA towards the midline and behind the oropharynx. b. Multiplanar reconstruction at the coronal plane demonstrates an angiographic appearance of the vessels of the neck, showing the ectopic portion of the right ICA.

Ectopic

internal carotid artery presenting as an oropharyngeal mass. Magnetic Resolution Angiography after gadolinium administration shows the helicoids-ectopic course of the right ICA, immediately after the carotid bulb. Notice also, the significant stenosis of the controlateral left ICA.