Wei Zhang1, Jian-Min Li1, Wen He2, Xiao-Ming Pan3, Zhan-Qiang Jin2, Ting Liang1, Hui Zhang3. 1. Department of Ultrasound, The 3th Affiliated Hospital of Guangxi Medical University, Nanning 530021, China. 2. Department of Ultrasound, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China. 3. Department of Thyroid Surgery, The 3th Affiliated Hospital of Guangxi Medical University, Nanning 530021, China.
Abstract
BACKGROUND: Minimally invasive ablative techniques in the treatment of breast tumor has become popularly in recent years. METHODS: We analyzed gray-scale and contrast-enhanced ultrasound (CEUS) features of 205 microwave ablated breast benign lesions from 182 consecutive patients, compared with magnetic resonance imaging (MRI) and histopathology findings. The follow-up was implemented at 3, 6 and 12 months after the ablation treatment. RESULTS: Before the MWA, the mean of largest diameter and volume of the lesions were 14.41±6.54 and 3,224±961 mm3, respectively. However, those of the lesions respectively were 8.48±6.30 and 2,116±732 mm3 one year after the treatment. The longest diameter and the volume of the ablative lesions were gradually decreased 3, 6 or 12 months after the MWA. 44 (/205, 21.5%) ablative lesions were disappeared one year after the MWA. One hundred and forty-two (/205, 69.3%) ablative lesions presented a hypoechoic halo surrounding it on gray-scale US after the MWA. The success rate of the MWA treatment in the benign breast lesion was 87.32% and 82.93% evaluated by CEUS and enhanced MRI, respectively. During the ablation, no patient had serious complications, such as hemorrhage, serious pain and fat necrosis, etc. CONCLUSIONS: Microwave ablation was a safe and efficient method in the treatment of the benign breast tumors. CEUS and enhanced MRI could accurately assess whether the MWA treatment is effective.
BACKGROUND: Minimally invasive ablative techniques in the treatment of breast tumor has become popularly in recent years. METHODS: We analyzed gray-scale and contrast-enhanced ultrasound (CEUS) features of 205 microwave ablated breast benign lesions from 182 consecutive patients, compared with magnetic resonance imaging (MRI) and histopathology findings. The follow-up was implemented at 3, 6 and 12 months after the ablation treatment. RESULTS: Before the MWA, the mean of largest diameter and volume of the lesions were 14.41±6.54 and 3,224±961 mm3, respectively. However, those of the lesions respectively were 8.48±6.30 and 2,116±732 mm3 one year after the treatment. The longest diameter and the volume of the ablative lesions were gradually decreased 3, 6 or 12 months after the MWA. 44 (/205, 21.5%) ablative lesions were disappeared one year after the MWA. One hundred and forty-two (/205, 69.3%) ablative lesions presented a hypoechoic halo surrounding it on gray-scale US after the MWA. The success rate of the MWA treatment in the benign breast lesion was 87.32% and 82.93% evaluated by CEUS and enhanced MRI, respectively. During the ablation, no patient had serious complications, such as hemorrhage, serious pain and fat necrosis, etc. CONCLUSIONS: Microwave ablation was a safe and efficient method in the treatment of the benign breast tumors. CEUS and enhanced MRI could accurately assess whether the MWA treatment is effective.
Entities:
Keywords:
Breast benign tumor; contrast-enhanced ultrasound (CEUS); magnetic resonance imaging (MRI); microwave ablation (MWA)
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