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[Contrast-enhanced 3D MR-angiography of the thorax, abdomen and lower extremities]
1Institut für Diagnostische Radiologie, Universitätsspital Zürich.
Insights
Contrast-enhanced 3D MR angiography offers a detailed view of arteries in the chest, abdomen, and lower extremities. This advanced imaging technique provides excellent image quality for evaluating various arterial diseases.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Contrast-enhanced 3D MR angiography (MRA) is a valuable tool for assessing the arterial system.
- It is widely used globally for diagnosing arterial pathologies.
Purpose of the Study:
- To provide a technical overview of contrast-enhanced 3D MRA.
- To critically discuss its clinical applications in the chest, abdomen, and lower extremities.
Main Methods:
- Intravenous bolus administration of a non-nephrotoxic paramagnetic extracellular contrast agent.
- Rapid acquisition of a 3D dataset.
- Imaging of chest and abdomen under apnea conditions.
Main Results:
- High contrast between vascular lumen and surrounding tissues.
- Inherent three-dimensionality of the data set.
- Excellent image quality achieved.
Conclusions:
- Contrast-enhanced 3D MRA enables comprehensive arterial assessment.
- The technique is effective for evaluating arterial pathologies in the chest, abdomen, and lower extremities.
Abstract:
Contrast-enhanced 3D MR angiography permits comprehensive assessment of the arterial system in the chest, abdomen und lower extremities. The method combines intravenous bolus application of a non-nephrotoxic, paramagnetic, extracellular contrast agent with the acquisition of a fast 3D data set. High contrast between the vascular lumen and surrounding tissues, inherent three-dimensionality and the ability to collect image data in the chest and abdomen under apnea conditions all contribute to excellent image quality. Contrast-enhanced 3D MRA is being employed in many centers throughout the world for the evaluation of various arterial pathologies. This review provides a technical overview and critically discusses the clinical applications in the chest, abdomen and lower extremities based upon the available literature and several clinical examples.