Subtraction techniques (acquired during systole and diastole – then subtracted) to allow for visualization of vascular structures
Gradient echo sequences with gradient moment nulling (for bright blood)
Spin echo acquisitions with spatial pre-saturation (for black blood)
Inversion recovery techniques for visualization of vessels when fat or water is suppressed
True
False
TOF-MRA
Digital subtraction MRA
CE-MRA
TSE
PC-MRA
True
False
True
False
Flow-related
Vessel
Tissue
Contrast
True
False
True
False
Increases
Changes
Reduces
Doesn't change
True
False
Multiple Oversampling Thin Section Angiography
Multiple Overlapping Thick Section Angiography
Multiple Overlapping Thin Section Angiography
Multiple Overstepping Thin Section Angiography
Phase contrast signal loss
Hypo-intense signal loss
Time of flight signal loss
Hyper-intense signal loss
PC-MRA
Triple IR
TOF-MRA
CE-MRA
DS-MRA
1000ms
1500ms
100ms
500ms
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