Large ductus diverticulum or ductus arteriosus aneurysm

Case contributed by Jayanth Keshavamurthy
Diagnosis almost certain


Incidental large aneurysm of a ductus diverticulum. First seen 2 years ago on CT. MRA done to assess if PDA.

Patient Data

Age: 85 years
Gender: Male
  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Finding? What next?


There is a large aneurysm arising within the ductus diverticulum. There is no patent ductus arteriosus.

Case Discussion

There is a large ductus aneurysm arising from the inferior aspect of the aortic arch measuring 4.3 x 3.7 cm in the expected location of the ductus diverticulum. This lesion was left alone as patient is asymptomatic and there is no patent ductus in the aneurysm.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

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

 Thank you for updating your details.