期刊
EUROPEAN RADIOLOGY
卷 25, 期 5, 页码 1317-1328出版社
SPRINGER
DOI: 10.1007/s00330-014-3538-6
关键词
High-intensity focused ultrasound ablation; Leiomyoma; Ablation; MRI; MR guided interventional procedures
To assess the technical and clinical results of MRgFUS treatment and factors affecting clinical treatment success. A total of 252 women (mean age, 42.1 +/- 6.9 years) with uterine fibroids underwent MRgFUS. All patients underwent MRI before treatment. Results were evaluated with respect to post-treatment nonperfused volume (NPV), symptom severity score (SSS), reintervention rate, pregnancy and safety data. NPV ratio was significantly higher in fibroids characterized by low signal intensity in contrast-enhanced T1-weighted fat saturated MR images and in fibroids distant from the spine (> 3 cm). NPV ratio was lower in fibroids with septations, with subserosal component and in skin-distant fibroids (p < 0.001). NPV ratio was highly correlated with clinical success: NPV of more than 80 % resulted in clinical success in more than 80 % of patients. Reintervention rate was 12.7 % (mean follow-up time, 19.4 +/- 8 months; range, 3-38). Expulsion of fibroids (21 %) was significantly correlated with a high clinical success rate. No severe adverse events were reported. Adequate patient selection and correct treatment techniques, based on the learning curve of this technology, combined with technical advances of the system, lead to higher clinical success rates with low complications rate, comparable to other uterine-sparing treatment options. aEuro cent MRgFUS appears to be a valid alternative to other uterus-preserving therapies aEuro cent Patient selection is a significant factor in achieving high NPV ratios aEuro cent MRI screening parameters correlate with the amount of fibroid ablation in MRgFUS aEuro cent NPV results of more than 80 % correlate with higher clinical success rates.
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