Woman over 18 years old.

Woman affiliated to a social security.

Woman having received complete information on the organisation of the research and having given her informed consent in written form.

Planned surgical intervention for suspected adnexal torsion.

Patients under a measure of legal protection.

Contraindication to contrast injection: hypersensitivity to sulphur hexafluoride or any of the other ingredients, history of cardiac disease, respiratory distress syndrome, severe pulmonary hypertension.

Pregnancy.