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Updated: Jul 31, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
Published on: June 11, 2019
Gadolinium-enhanced computed tomographic aortography
S Chryssidis1, R P Davies, M L H Tie
1Division of Medical Imaging, North West Adelaide Health Service, Queen Elizabeth Hospital Campus, South Australia, Australia.
Abstract:
Radiographic contrast agents using gadolinium have a better safety profile and photoelectric effect than iodinated contrast, allowing use where iodinated contrast is contraindicated. A case of gadolinium-enhanced computed tomographic aortography (CTA) for suspected thoracic dissection is reported. Aortic enhancement was sufficient for confident exclusion of an intimal flap. The findings were later confirmed by MRI. Vascular enhancement diminished below the diaphragm and tissue enhancement was minimal. Gadolinium diethylenetriamine penta-acetic acid (Gd-DTPA) may be used for CTA of the thoracic aorta, where the use of iodinated contrast is contraindicated. Multi-slice CT may expand the role of gadolinium enhancement in the future.
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