Annotated images describing the correlation between the cystic changes seen by ultrasound and the high proteinaceous fluid signal in magnetic resonance imaging:
intermediate to high signal intensity in T1 (yellow arrow)
high signal intensity in T2 (red arrow)
high signal intensity in STIR (blue arrow)
cystic changes within the substance of the tendon by ultrasound in (TS) and (LS) views (green arrows)