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Portal magnetic resonance angiography
J P Finn1, B Siewert, M Mueller
1Department of Radiology, New England Deaconess Hospital, Harvard Medical School, Boston, Massachusetts, USA.
Magnetic Resonance Imaging Clinics of North America
|December 1, 1993
Summary
Magnetic resonance (MR) angiography offers clinical value for the portal venous system. Advanced techniques enable noninvasive assessment of portal vein anatomy and blood flow.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Magnetic resonance (MR) angiography is a valuable tool for evaluating the portal venous system.
- Noninvasive methods are crucial for assessing portal venous anatomy and hemodynamics.
Purpose of the Study:
- To review MR angiography techniques for the portal venous system.
- To discuss methods for noninvasive assessment of portal venous anatomy and blood flow.
Main Methods:
- Review of time-of-flight (TOF) techniques for portal angiography.
- Review of TOF and phase-contrast (PC) techniques for portal venous blood flow measurement.
Main Results:
- MR angiography has demonstrated significant clinical utility in the portal venous system.
- Various techniques allow for noninvasive evaluation of portal venous structures and flow dynamics.
Conclusions:
- MR angiography is a clinically useful noninvasive method for assessing the portal venous system.
- TOF and PC techniques are key for evaluating portal venous anatomy and blood flow.