Definition : PI-RADS: Tissue around the urethra that is separated from the peripheral zone by the
surgical capsule delineated as a low signal line on T2 weighted MRI. It is the site
of most BPH.;
PI-RADS: Tissue around the urethra that is separated from the peripheral zone by the
surgical capsule delineated as a low signal line on T2 weighted MRI. It is the site
of most BPH.