Minireviews
Copyright ©The Author(s) 2016.
World J Radiol. Apr 28, 2016; 8(4): 370-377
Published online Apr 28, 2016. doi: 10.4329/wjr.v8.i4.370
Figure 1
Figure 1 Standard transperineal ultrasound images. A: Midsagittal view; B: Upper anal canal in the transversal view; C: Transversal view of the middle anal canal. SP: Symphysis pubis; U: Urethra; B: Bladder; V: Vagina; UT: Uterus; R: Rectum; A: Anal canal; PR: Puborectalis muscle; IAS: Internal anal sphincter; EAS: External anal sphincter.