• La Radiologia medica · Dec 2016

    First experience of real-time elastography with transvaginal approach in assessing response to MRgFUS treatment of uterine fibroids.

    • Chiara Marigliano, Giovanna Panzironi, Luisa Molisso, Alessandra Pizzuto, Federica Ciolina, Alessandro Napoli, and Paolo Ricci.
    • Umberto I, Policlinico di Roma, Dipartimento di Scienze Radiologiche, Oncologiche ed Anatomopatologiche, Sapienza Università di Roma, Rome, Italy. chiara.marigliano@uniroma1.it.
    • Radiol Med. 2016 Dec 1; 121 (12): 926-934.

    PurposeDefinition of the role of real-time elastography (RTE) in the evaluation of response to treatment of uterine fibroids using MRgFUS in symptomatic patients.Materials And Methods28 women with 34 symptomatic fibroids, selected for MRgFUS, were enrolled. The patients were preliminarily studied with MRI and suprapubic and transvaginal ultrasound examination including RTE; the follow-up was performed immediately after treatment, at 3 months and 12 months with the same technique. Each lesion was evaluated by looking for ultrasound parameters (volume, resistance index) and RTE strain ratio (SR). Before and after treatment, all patients completed three questionnaires for symptom evaluation (e.g., uterine fibroids symptoms and quality of life).ResultsOf the 27 treated fibroids, only 14 had an effective treatment with non-perfused volume (NPV) >70 %. After 3 months of treatment, 17/21 patients presented significant decrease of uterine bleeding. A positive correlation between %NVP and percentage of fibroid volume decrease was seen. Reduction of SR value from t0 to t2 was found in 19/27 fibroids, particularly significant in fibroids with NPV > 70 %. A significant positive correlation between the percentage of symptom decrease and %SR decrease was found. At the time of statistical analysis, 12/21 patients reached the 12-month follow-up: they showed a further reduction of SR.ConclusionRTE is a valid method able to support standard ultrasound examination in the evaluation of uterine fibroids, since it allows demonstrating the decrease of rigidity, which can be quantified with the SR parameter. It could be included in a pre-treatment multiparametric evaluation of patients looking for MRgFUS eligibility and in follow-up when it could assess the response to treatment.

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