Inversion Recovery
Category Contrast Technique Term Inversion Recovery Definition of Inversion Recovery Sequence Starting With 180° Inversion Pulse To Null Specific Tissue Signal Notes About Inversion Recovery Includes STIR And FLAIR Variants
Contrast Technique
Susceptibility Weighted Imaging (SWI)
Category Contrast Technique Term Susceptibility Weighted Imaging (SWI) Definition of Susceptibility Weighted Imaging (SWI) High Resolution GRE Technique Sensitive To Magnetic Susceptibility Differences Notes About Susceptibility Weighted Imaging (SWI) Excellent For Microbleeds, Calcification, And Venous Anatomy
Test Bolus
Category Contrast Technique Term Test Bolus Definition of Test Bolus Small Contrast Injection With Serial Low Dose Imaging To Estimate Transit Time For Main Bolus Notes About Test Bolus Alternative To Bolus Tracking
Fat Suppression
Category Contrast Technique Term Fat Suppression Definition of Fat Suppression Methods To Reduce Fat Signal Including Frequency Selective, STIR, And Dixon Techniques Notes About Fat Suppression Improves Lesion Detection Adjacent To Fat
Fluid Attenuated Inversion Recovery (FLAIR)
Category Contrast Technique Term Fluid Attenuated Inversion Recovery (FLAIR) Definition of Fluid Attenuated Inversion Recovery (FLAIR) IR Sequence With TI Set To Null CSF Signal To Highlight Periventricular Lesions Notes About Fluid Attenuated Inversion Recovery (FLAIR) Essential In Brain White Matter Disease Imaging