type I
hypertrophic tear pattern
tendon thickened, w/ longitudinal tears
type II
atrophic tear, tendon is attenuated
equal/smaller than FDL tendon
type III
complete tear w/ discontinuity and retraction
MRI classification for chronic PT ruptures
partially torn, focally enlarged
type I
MRI classification for chronic PT ruptures
partially torn, focal attenuation
type II
MRI classification for chronic PT ruptures
complete rupture
type III