Question:

Which of the following imaging modalities was considered the gold standard for the diagnosis of aortic dissection?
1. Aortography.
2. A.TEE
3. CTA
4. MRI/MRA
5. All of the above





Answer:

The correct answer for the question "Which of the following imaging modalities was considered the gold standard for the diagnosis of aortic dissection?" is:

1. Aortography.



Explanation

Conventional aortography, the previous gold standard for the diagnosis of aortic dissection, is more invasive, expensive, time-consuming, and labor-intensive than CTA.



From the manuscript:
Thoraco-abdominal Aorta Dissection: Look Again Before You Leap
Radiology Case. 2009 Sep; 3(9):29-33


This article belongs to the Chest section.




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From the manuscript

Thoraco-abdominal Aorta Dissection: Look Again Before You Leap

Free full text article: Thoraco-abdominal Aorta Dissection: Look Again Before You Leap

Abstract
Aortic dissection is a life-threatening condition that might require immediate assessment and therapy. We present the case of a 71-year-old woman with essential hypertension complaining about low back pain; unenhanced thoracic-lumbar spine computed tomography examination (CT) revealed a hyperdense thin line across the aorta with an appearance of "double aortic lumen". Enhanced CT scan confirmed the diagnosis of type B aortic dissection. Radiologists should be familiar with this finding that could be considered a new radiological sign of aortic dissection on unenhanced CT examination.






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