STIR

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STIR

(stĕr),

short TI inversion recovery

An MRI term for a specialised application of the inversion recovery pulse sequence which sets the inversion time (TI) of the sequence at 0.69 times the T1 of fat, thereby suppressing the fat in the image.

STIR

see short T1 inverse recovery imaging MRI sequencing in which fat appears black (contrast with T1-weighted images)