Fig. 1

Left utero-sacral ligament (USL) varicosity in a 46-year-old woman with chronic catamenial pelvic pain. a Axial, (b) sagittal, and (c) coronal T2-W MR images show a thickened and pseudonodular left USL (arrows) due to tubular and serpiginous T2-hyperintense veinous structures. No pelvic endometriosis was found at surgery; a pelvic venous congestion syndrome was then suggested