The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.

You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).

(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 11 —Three-dimensional endoanal sonogram at midanal canal of 37-year-old woman shows large obstetric tear involving both internal anal sphincter (open arrows, IS) from 10- to 5-o'clock positions and external anal sphincter (arrowheads, ES) from 10- to 3-o'clock positions after complicated vaginal delivery. Tears are visualized by discontinuity of inner and outer sphincter rings. Scar tissue (solid thin arrows) of external anal sphincter is depicted anteriorly by segments of hypoechogenicity. Top of figure is anterior.