Magnetic resonance angiography (MRA) and Flow MRI

After reading this chapter, you should be able:

• To describe the different flow phenomena in MRI
• Explain the principle of flow compensation gradients
• Present non-contrast magnetic resonance angiography methods (technique, results, advantages and disadvantages:
• Time-of-flight (TOF) MRA
• Phase contrast (PCA) MRA
• 3D MRA with ultrafast spin echo and ECG synchronization (FBI)
• Describe the Contrast-enhanced MRA technique, its constraints related to the injection of a contrast agent, and its advantages