Problem: STIR sequences are not recommended for use with gadolinium-enhanced imaging because: Need Assignment Help?
a. Gadolinium shortens the T1 of water, reducing signal intensity. b. Gadolinium enhances fat signals, conflicting with STIR's fat suppression. c. Gadolinium's effects are nulled by the TI used in STIR sequences. d. STIR sequences increase scan time significantly.