TSE — T1-weighted · 1.5T

TR = 500 ms · eff. TE = 15 ms · ETL = 4 · 4 TR cycles — short TR suppresses long-T1 tissues; fat recovers fastest → brightest

Fat (T1=260ms)

White matter (T1=650ms)

Grey matter (T1=950ms)

Muscle (T1=860ms)

CSF (T1=3600ms)

solid = Mz

faded = Mxy echo