Figure 5: 11 year-old female with primary amenorrhea. a) Short axis T2 oblique and b) axial T2-weighted MR images demonstrates an obstructed right unicornuate uterus secondary to an atretic/absent upper vagina (long thinner arrows); a rudimentary horn is also present, with noncommunicating endometrial segment displaced anteriorly (short thick arrow). c) Axial T2 weighted MR image demonstrates a Foley catheter in the urinary bladder, with arrow pointing to anticipated site of the vagina, which is atretic/absent.