Figure 2: 17 year-old female with primary amenorrhea. a) Sagittal T2-weight MR image demonstrates no evidence of a uterine corpus with only a vestigial cervix (short arrow) and absent vagina (long arrow) evident. b) Axial T2-weight MR image shows a small undifferentiated soft tissue remnant within the lower third of the vagina above the introitus (arrow), consistent with a vestigial sinovaginal bulb.