Endoleak: type IIIb after endovascular repair of saccular thoracic aortic aneurysm

Case contributed by Dr Bruno Di Muzio


Thoracic aortic aneurysm with endovascular stenting performed.

Patient Data

Gender: Male

Endografic metallic material delineating aortic arch and a round mass that bulges the left mediastinal contour and presents with linear parietal calcifications.

Ct angiography demonstrates of contrast breaching the margins of the aortic stent graft into the neck of the saccular aneurysm, the lumen of which is largely thrombosed.

Case Discussion

Endovascular stent grafts can be used to treat aneurysms arising from the aorta. CT  angiography is routinely undertaken in patients with stent grafts to assess graft position, patency, and to look for complications such as an endloeak. In the current Contrast is seen extending from the stent graft lumen into the aneurysm neck consistent with an endoleak.

As the leak is away from the graft ends ad no collateral vessel is seen filling the aneurysm, these findings suggest endograft fracture or a defect in its middle portion in keeping with a type 3b endoleak.  Although not definitively demonstrated, there is an area suspicious for a defect with the aortic graft in the anterior inferior aspect.

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Case information

rID: 31796
Case created: 28th Oct 2014
Last edited: 16th Aug 2016
System: Vascular
Inclusion in quiz mode: Included

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