Teenager girl with clinically suspected appendicitis, next day after admission, the previous ultrasound revealed appendix more than 6 mm in diameter. Assigned a control ultrasound.
At US appendix is not found, in the right iliac area there is a mass of solid-cystic structure up to 5.5 cm in length, on CFM with blood flow, presumably torsion of the right ovary.
Left ovary near to the uterus, normal sized and structure.