Artery, External Carotid

#anatomy #artery

The external carotid artery (ECA) is one of the two branches of the common carotid artery (CCA). It supplies the face and neck.

Cases

1

CTA 3D Reconstruction

There is no ECA originating from the right CCA.

DSA - Right CCA Injection (PA and Lateral)

It seems there is an anastomosis between the cavernous segment of the right ICA and the right internal maxillary artery (yellow arrow).

DSA - Right CCA Injection (3D)

Comments

The absence of the right ECA could be due to congenital vs complete occlusion as a result of severe atherosclerotic disease.