Value of contrast-enhanced ultrasonography in microwave ablation treatment of symptomatic focal uterine adenomyosis

Xiao-Long Li, Xiao‐Long Li, Jia-Xin Li, Song-Yuan Yu, Pei-Li Fan, Yunjie Jin, Yun-Jie Jin, Er-Jiao Xu, Erjiao Xu, Sainan Guan, Sai-Nan Guan, Erya Deng, Er-Ya Deng, Qinxin Li, Qiu-Yan Li, Z. Ji, Zheng-Biao Ji, Jiu-Ling Qi, Jiuling Qi, Hui‐Xiong Xu, Hui-Xiong Xu, China Alliance of Multi-Center Clinical Study for Ultrasound (Ultra-Chance)
Ultrasonography (Seoul, Korea) · 2023 · vol. 43(1) , pp. 68–77 · doi:10.14366/usg.23145 · PMID:38109892 · PMC10766881 · W4389915996
article OA: gold CC0 ⤵ 2 in-corpus citations
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Contrast-enhanced ultrasonography effectively evaluates microwave ablation zones in uterine adenomyosis similarly to MRI, with pre-treatment non-enhancing areas predicting successful ablation.

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Abstract

Purpose: This study evaluated the value of contrast-enhanced ultrasonography (CEUS) in the ultrasound-guided microwave ablation (MWA) treatment of symptomatic focal uterine adenomyosis.Methods: This retrospective study was conducted between March 2020 and January 2023, enrolling 52 patients with symptomatic focal uterine adenomyosis who had undergone MWA. All patients were examined with CEUS before and after MWA. The non-perfused volume (NPV) was compared between CEUS and dynamic contrast-enhanced magnetic resonance imaging (DCEMRI) following ablation. Therapeutic efficacy and safety were evaluated at 3-, 6-, and 12-month follow-ups. Additionally, this study explored the correlations between pre-treatment CEUS features and a volume reduction ratio indicating sufficient ablation, defined as 50% or more at the 3-month follow-up.Results: No significant differences in NPV were noted between CEUS and DCE-MRI immediately after MWA and during follow-up (all P>0.05). At the 3-month follow-up, the median VRRs for the uterus and adenomyosis were 33.2% and 63.9%, respectively. Sufficient ablation was achieved in 69.2% (36/52) of adenomyosis cases, while partial ablation was observed in the remaining 30.8% (16/52). The identification of non-enhancing areas on pre-treatment CEUS was associated with sufficient ablation (P=0.016). At the 12-month follow-up, significant decreases were observed in both the uterine and adenomyosis volumes (all P<0.001). Dysmenorrhea and menorrhagia were significantly alleviated at 12 months, and no major complications were encountered.Conclusion: CEUS can be used to evaluate the ablation zone of focal adenomyosis that has been treated with MWA, similarly to DCE-MRI. The identification of non-enhancing areas on pretreatment CEUS indicates satisfactory treatment outcomes.

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adenomyosisdysmenorrhea

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