Long-term results of transcervical, intrauterine ultrasound-guided radiofrequency ablation of uterine fibroids with the Sonata System: a retrospective follow-up study.

Background: The Sonata System is a new minimally invasive, transcervical, uterine-sparing treatment option for fibroids with a mainly intramural location. The device combines intrauterine ultrasonography with radiofrequency ablation. Long-term follow-up data are still lacking.