Items tagged “mra”
2 results found
Article
Time of flight angiography
Time of flight angiography (TOF) is an MRI technique to visualize flow within vessels, without the need to administer contrast. It is based on the phenomenon of flow-related signal hyperintensity of spins entering into an imaging slice. As a result of being unsaturated, these spins give more sig...
Article
Contrast-enhanced MR angiography
Contrast-enhanced MR angiography (MRA) is a technique involving 3D spoiled gradient-echo (GE) sequences, with the administration of gadolinium-based contrast agents (GBCA). It can be used to assess vascular structures of almost any part of the body. Its key features are:
T1 weighted spoiled gra...