Coronary arterial ectasia

Coronary arterial ectasia (CAE) refers to diffuse dilatation of the coronary arteries. Under some classification systems there is some overlap with the term coronary arterial aneurysms (which is a more focal dilatation).

It is often defined as dilatation of an arterial segment to a diameter at least 1.5 times that of the adjacent normal coronary artery.

They may be present in up to ~5% (range 3-8%) of angiographic and in ~1% (range 0.2-1.4%) of autopsy series.

Aetiology

It is attributed to atherosclerosis in 50% of patients while in ~25% of patients it may be congenital in origin.

Associations
Classification

One method of classification is 1:

  • type I: diffuse ectasia of two or three vessels
  • type II: diffuse ectasia of of one vessel and localised disease in other, i.e. an aneurysm
  • type III: diffuse ectasia in only one vessel
  • type IV: focal coronary aneurysm in one vessel
Share article

Article information

rID: 40959
System: Cardiac
Section: Pathology
Tag: cases
Synonyms or Alternate Spellings:
  • Coronary artery ectasia
  • Coronary arterial ectasiae
  • Coronary arterial ectasias
  • Coronary artery ectasia (CAE)

Support Radiopaedia and see fewer ads

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.