American Board of Surgery Qualifying Exam (ABS QE) Practice Test 2025 - Free Surgery Exam Practice Questions and Study Guide

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What does a Type 3 endoleak signify?

Oozing or porosity

Fracture in the stent

A Type 3 endoleak is characterized by a leak that occurs at the junction of the stent graft or between overlapping graft components. This type of endoleak typically signifies issues such as a fracture in the stent or a failure of the connection between segments of the graft. As a result, blood can flow from the aorta into the aneurysm sac, which can ultimately lead to aneurysm expansion.

Understanding the mechanics behind Type 3 endoleaks is crucial because they may result from design flaws or positioning issues with the graft itself. This type of endoleak can pose significant complications, particularly as it can lead to the re-expansion of the aneurysm that the stent graft was meant to exclude. Therefore, identifying and addressing a Type 3 endoleak is pivotal in managing patients who have undergone endovascular aneurysm repair, ensuring both the graft’s integrity and the patient's safety.

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Expansion of the aneurysm

Leak from the end of the stent graft

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