14 April 2021
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Diagnosis of Aortic Aneurysms
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Aneurysms are nearly always diagnosed by means of an imaging test, generally a CT scan. The aim is to determine the location of the aneurysm, its diameter and its relationship with respect to certain anatomical structures (typically other important arteries such as renal and digestive arteries and the supra-aortic trunks).
Tests used to diagnose Aortic Aneurysms
The main test used is a CT-angiography, also known as a CT scan with contrast. The technique can provide an accurate measure of the diameter and characteristics of aneurysms in any location. A radiocontrast agent may also be used – a substance that dyes the blood and therefore indicates the location of the blood vessels.
Other tests conducted to diagnose aortic aneurysms include:
Ultrasound. An abdominal ultrasound (with or without contrast agent) for abdominal aortic aneurysms or an echocardiogram (transthoracic or transoesophageal) for thoracic aortic aneurysms.
Magnetic resonance imaging (MRI).
PET-CT. Particularly when there is a suspicion of an infectious cause.
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Substantiated information by:
Eduardo Quintana Obrador
Vascular Surgeon
Cardiovascular Surgery Department
Xavier Yugueros
Vascular Surgeon
Angiology and Vascular Surgery Service
Published: 10 March 2020
Updated: 10 March 2020
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