Transvaginal ultrasound in a 28-year-old nulligravida.Notes: A tubular hypoechoic mass with indentations along it walls consistent with a hydrosalpinx was seen on transvaginal ultrasound in a 28-year-old nulligravida with known tubal occlusion on hysterosalpingogram. Laparoscopy confirmed these findings along with severe pelvic adhesions.