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Updated: Jul 10, 2026

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
Published on: December 9, 2021
[CT angiography of the aorta]
D Theisen1, H von Tengg-Kobligk, H Michaely
1Institut für Klinische Radiologie, Klinikum Grosshadern der Ludwig-Maximilians-Universität München, Marchioninistrasse 15, Munich, Germany. Daniel.Theisen@med.uni-muenchen.de
Insights
Multislice computed tomography angiography (CTA) is the gold standard for diagnosing aortic diseases, offering high accuracy for aortic dissection and inflammatory changes. This imaging technique is crucial for efficient and accurate patient diagnosis and management in acute settings.
Area of Science:
- Radiology
- Cardiovascular Imaging
- Medical Diagnostics
Background:
- Aortic diseases present significant morbidity and mortality risks.
- Accurate and efficient diagnosis is critical, particularly in acute cases.
- Aortic dissection is a common emergency, often missed in diagnosis.
Purpose of the Study:
- To outline state-of-the-art principles in diagnostic CT imaging for acquired aortic disease.
- To highlight the role of multislice computed tomography (MSCT) and CT angiography (CTA) in diagnosing aortic conditions.
- To review the diagnostic performance of CT in assessing aortic dissection and inflammatory changes.
Main Methods:
- Utilizing multislice computed tomography (MSCT) with high-resolution CT angiography (CTA).
- Reviewing diagnostic performance metrics including sensitivity, specificity, and accuracy.
- Focusing on principles of diagnostic CT imaging for acquired aortic disease.
Main Results:
- MSCT/CTA is the standard of reference for diagnosing and following patients with acquired aortic disease.
- Sensitivity and specificity of MSCT for aortic dissection exceed 99%.
- CT demonstrates 83% sensitivity and nearly 100% specificity for inflammatory changes, with 94% diagnostic accuracy.
Conclusions:
- CT angiography is a highly accurate tool for diagnosing acquired aortic disease.
- MSCT/CTA plays a vital role in the emergency setting for identifying aortic dissection.
- The principles of diagnostic CT imaging are essential for effective management of aortic pathologies.
Abstract:
Aortic disease is associated with high morbidity and mortality and thus require an efficient and accurate diagnostic approach, especially in the acute setting. Multislice computed tomography (MSCT) with the option of high-resolution CT angiography (CTA) has emerged as the standard of reference in diagnosis and follow-up of patients with acquired aortic disease. Aortic dissection is the most common aortic emergency, but it remains undiscovered in up to 38% of cases. Sensitivity and specificity of MSCT in the assessment of aortic dissection are greater than 99%. The sensitivity of CT in the detection of inflammatory changes is 83%; its specificity is almost 100%; and its diagnostic accuracy is ca. 94%. This article outlines state-of-the-art principles in diagnostic CT imaging of acquired aortic disease.
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