endoleak

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endoleak2016-11-24T03:34:52+00:00

endoleak 

endoleak image from New Medical Terms

endoleak, aorta

GASTROENTEROLOGY, SURGERY

A term of art referring to blood flow within an abdominal aortic aneurysm–AAA sac, but not within the endoluminal space, which is common* complication of endovascular AAA repair. Endoleaks can lead to aneurysmal enlargement and rupture and are best identified by contrast-enhanced CT. 

*Up to 15% of patients within the first month of endograft placement and up to 50% of patients over time

Images illustrate the various types of endoleak:

Type I, leak at the attachment site

Type II, leak from a branch artery

Type III, graft defect

Type IV, graft porosity.  

References http://radiographics.rsna.org/content/29/2/537/F33.expansion.html

Cleveland Clin J of Med 2013; 80:364

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