The patient is a 70-year-old male who had undergone endovascular repair of a 5 cm infrarenal abdominal aortic aneurysm two years previously. On follow up surveillance imaging, he was noted to have contrast within the aneurysm sac, consistent with an endoleak (arrow). This was felt to be a Type II leak and since the aortic diameter remained stable, he was followed closely without intervention.
On his most recent CT, however, a posterior infolding of the main body of the graft was noted for the first time. It was suspected that this was the source of the endoleak, and if so, this represented a Type I endoleak. This suspicion could not be confirmed by CT and therefore further workup was required.
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The patient was brought to the angiography suite to accurately characterize and possibly fix the leak. Aortography was performed via right femoral artery access. The AP projection shown here demonstrates a properly positioned endograft with the proximal fixation point just distal to the right renal artery. There is no obvious endoleak seen on this projection although a right lumbar artery was seen to fill fill antegrade (arrow), indicative of a Type I leak.
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