The therapeutic effect of percutaneous microwave ablation in treatment of focal uterine adenomyosis

Yingying Zhao, Yongjie Li, Dong Li, Jie Li, Ming Chen
In: Chin J Med Ultrasound(Electronic Edition) · 2017 · vol. 14(4) , pp. 314–318 · doi:10.3877/cma.j.issn.1672-6448.2017.04.016 · W3029905517
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⚙ AI-generated summary by claude@2026-07, 2026-07-09 ⓘ

Percutaneous microwave ablation effectively treated focal uterine adenomyosis, with contrast-enhanced ultrasound and DCE-MRI showing over 90% ablation rates and high consistency between modalities.

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⚙ AI-generated deep summary by claude@2026-07, 2026-07-09 · read from full text ⓘ

The paper studied percutaneous microwave ablation for 42 patients with single focal uterine adenomyosis, using contrast-enhanced ultrasound and dynamic contrast-enhanced MRI (DCE-MRI) performed before and 1–2 days after treatment to evaluate ablation effects. After ablation, both imaging methods showed no enhancement in the ablated zones, with mean ablation volumes around 49 cm3 and mean ablation rates of about 92% or higher; the authors report similar concordance between contrast-enhanced ultrasound and DCE-MRI for ablation rate assessment. The major limitation explicitly implied by the design is the short post-procedure imaging window (imaging only 1–2 days after ablation), without longer-term outcomes described. This paper is centrally about adenomyosis — it assesses how contrast-enhanced ultrasound measures treatment ablation rate for focal uterine adenomyosis after percutaneous microwave ablation, with DCE-MRI comparison.

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Abstract

Objective To observe and analyze the therapeutic effect of focal uterine adenomyosis treated with percutaneous microwave ablation by contrast-enhanced ultrasound and dynamic contrast enhanced MRI (DCE-MRI). Methods From January 2013 to July 2016, 42 patients with focal uterine adenomyosis voluntarily underwent percutaneous microwave ablation in the tumor hospital of Liaocheng. Contrast-enhanced ultrasound and DCE-MRI were performed before and after percutaneous microwave ablation. The therapeutic effects of percutaneous microwave ablation in treatment of uterine adenomyosis lesions were observed. Results After percutaneous microwave ablation of the 42 cases, the ablated zone showed no enhancement with contrast-enhanced ultrasound and DCE-MRI. Contrast-enhanced ultrasound showed that the volume and ablation rate of ablated zone were (49.0±29.5) cm3 and (91.6±7.1)%, and that of DCE-MRI were (49.4±29.9)cm3 and (91.9±6.7)%, respectively. The results showed that percutaneous microwave ablation could cure focal uterine adenomyosis at the rate over 90%. Contrast-enhanced ultrasound and DCE-MRI are in accordance in observing the ablation rate. Conclusions Contrast-enhanced ultrasound can accurately show the ablation rate of focal uterine adenomyosis treated with percutaneous microwave ablation, which is quite consistent with DCE-MRI. Contrast-enhanced ultrasound has its advantages such as identifying the lesions which need immiedately supplemental ablation. Key words: Ultrasonography; Contrast medium; Magnetic resonance imaging; Uterine adenomyosis; Microwave ablation
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Objective

To observe and analyze the therapeutic effect of focal uterine adenomyosis treated with percutaneous microwave ablation by contrast-enhanced ultrasound and dynamic contrast enhanced MRI (DCE-MRI).

Methods

From January 2013 to July 2016, 42 patients with focal uterine adenomyosis voluntarily underwent percutaneous microwave ablation in the tumor hospital of Liaocheng. Contrast-enhanced ultrasound and DCE-MRI were performed before and after percutaneous microwave ablation. The therapeutic effects of percutaneous microwave ablation in treatment of uterine adenomyosis lesions were observed.

Results

After percutaneous microwave ablation of the 42 cases, the ablated zone showed no enhancement with contrast-enhanced ultrasound and DCE-MRI. Contrast-enhanced ultrasound showed that the volume and ablation rate of ablated zone were (49.0±29.5) cm3 and (91.6±7.1)%, and that of DCE-MRI were (49.4±29.9)cm3 and (91.9±6.7)%, respectively. The results showed that percutaneous microwave ablation could cure focal uterine adenomyosis at the rate over 90%. Contrast-enhanced ultrasound and DCE-MRI are in accordance in observing the ablation rate.

Conclusions

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