Fig. 10From: Endometriosis MR mimickers: T1-hyperintense lesionsFlow-related enhancement artifact, also known as “the entry slice phenomenon”, in a 36-year-old woman with chronic pelvis pain and dysmenorrhea. a Axial and (b) sagittal reconstruction T1-W fat-suppressed MR image show a bright spot (arrows) in close proximity with the right USL insertion, also present on contiguous slices (not shown). c Axial and (d) sagittal T2-W MR images show a sub-serous vein (arrows) in place of the T1 bright spot, near the right USL insertionBack to article page