Fig. 11

Normal sigmoid colon filled with feces in a 35-year-old woman with chronic pelvic pain. No medical history. a Axial and (b) coronal T2-W MR images show a T2-hypointense “pseudo”-thickening of the posterior sigmoid colon wall (arrows). Note the absence of retrocervical deep infiltrating endometriosis (arrowheads). c Axial T1-W fat-suppressed MR image shows the absence of hyperintense foci nor abnormality of the sigmoid colon wall (arrow), with a more or less fecal content. Laparoscopy showed a normal recto-sigmoid colon