Fig. 4From: Endometriosis MR mimickers: T2-hypointense lesionsFibrous remnant of the urachus insertion in two distinct women of reproductive age. a Sagittal and (b) coronal T2-W MR images show a pseudonodular or triangular T2-hypointense medial structure of the urinary bladder apex at the urachus insertion (arrows). Note the absence of abnormality of the urinary bladder muscular layer (arrowheads), or hemorrhagic foci on T1-WI (no shown)Back to article page