Postoperative MR Defecography following Failed STARR Procedure for Obstructive Defecation Syndrome: A Three-Centre Experience

Figure 7

MR T2-weighted axial image of the anal sphincter complex taken perpendicular to the intra-anal marker: a focal defect (arrow) is visible from 11 to 1 (anal clock) after STARR procedure, responsible of episodes of fecal incontinence.