Fig. 2From: Evaluation of different MRI parameters in benign prostatic hyperplasia-induced bladder outlet obstructionMidsagittal T2-weighted MR images in different patients with BPH showing a The prostatic urethra (arrows). b Measurement of the prostatic urethral angle (PUA) (curved arrow); the acute angle between the proximal prostatic urethra and the distal prostatic urethra. c Measurement of the intravesical prostatic protrusion (IPP) (double-headed arrow). Retrourethral (median) lobe enlargement (R), transition zone (TZ), peripheral zone (PZ), and prostatic urethra (arrows) are noted. d Measurement of the AFMS distance (double-headed arrow). Prostatic urethra (arrows) is notedBack to article page