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Three-dimensional gadolinium-enhanced MR angiography: applications for abdominal imaging
1Department of Radiology, St Louis University Hospital, 3635 Vista Ave at Grand Blvd, PO Box 15250, St Louis, MO 63110-0250, USA. glockner.james@mayo.edu
Summary
Three-dimensional gadolinium-enhanced MR angiography offers fast, high-contrast imaging for abdominal and pelvic conditions. This versatile technique aids in diagnosing vascular issues, staging cancers, and evaluating transplant patients.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Three-dimensional (3D) gadolinium-enhanced magnetic resonance (MR) angiography is a valuable imaging modality.
- It offers a combination of speed, excellent contrast, and procedural simplicity.
Purpose of the Study:
- To highlight the diverse applications of 3D gadolinium-enhanced MR angiography.
- To showcase its utility in evaluating abdominal, pelvic, and genitourinary conditions.
Main Methods:
- Utilizes 3D gadolinium-enhanced MR angiography.
- Includes routine abdominal aorta and renal artery imaging.
- Employs delayed 3D acquisitions for gadolinium-enhanced urograms.
Main Results:
- Routinely obtains superb images of abdominal aorta and renal arteries.
- Effectively depicts aneurysms, atherosclerotic lesions, and mesenteric artery occlusions.
- Demonstrates parenchymal lesions in liver, pancreas, kidneys, and aids in staging genitourinary neoplasms.
Conclusions:
- 3D gadolinium-enhanced MR angiography is ideal for noninvasive evaluation of systemic and mesenteric veins.
- It is useful in preoperative assessment of transplant donors/recipients and post-transplant vascular complications.
- Ongoing research focuses on enhancing speed and resolution through novel techniques and contrast agents.