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Updated: Aug 17, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
[Diagnosis of aortic dissection with magnetic resonance imaging]
1Shenyang General Hospital, PLA.
Abstract:
Eight patients with suspected or known aortic dissection were imaged with magnetic resonance (MR). All of them were eventually shown to have dissection. In most instances the diagnosis was established by aortography and/or computed tomography (CT) prior to the MR study. MR demonstrated the intimal flap and determined whether the dissection was type I, type II or type III. In addition, MR differentiated between the true and false lumens. Our early experience suggests that MR can serve as the initial imaging test in clinically suspected cases of aortic dissection and that the information provided by MR obviates the use of iodinated contrast media.
Insights
Magnetic resonance (MR) imaging accurately diagnosed aortic dissection in eight patients, identifying the intimal flap and dissection type. This suggests MR can be the primary imaging test, avoiding contrast agents.
Area of Science:
- Cardiovascular Imaging
- Radiology
- Medical Diagnostics
Context:
- Aortic dissection is a life-threatening condition requiring accurate and timely diagnosis.
- Conventional diagnostic methods like aortography and computed tomography (CT) involve risks, including radiation exposure and iodinated contrast media reactions.
Purpose:
- To evaluate the utility of magnetic resonance (MR) imaging as an initial diagnostic tool for suspected aortic dissection.
- To assess MR's ability to characterize the extent and type of aortic dissection and differentiate between true and false lumens.
Summary:
- Eight patients with suspected or confirmed aortic dissection underwent MR imaging.
- MR imaging successfully identified the intimal flap, classified dissection types (I, II, III), and differentiated true from false lumens in all cases.
- The findings suggest MR can serve as the primary imaging modality, potentially replacing conventional methods and avoiding iodinated contrast media.
Impact:
- MR imaging offers a non-invasive and comprehensive approach to diagnosing aortic dissection.
- This modality can streamline the diagnostic process, reduce patient exposure to contrast agents, and potentially improve clinical outcomes.
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