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Transisthmic approach vs. lateral cervical approach for
microwave ablation in treatment of thyroid nodules located in
the lowerinner quadrant:a comparative study |
ZHAO Shuang-shuang,ZHANG Zheng,WANG Ke-ke,SHANG Meng-yuan,WU Xin-cai, CHEN Zhe-ming,YANG Hai-zhen,CHEN Bao-ding |
(Department of Ultrasound Medicine,the Affiliated Hospital of Jiangsu University,Zhenjiang Jiangsu 212001,China)
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Abstract Objective: To compare the clinical efficacy of the transisthmic approach and the lateral cervical approach for ultrasoundguided microwave ablation in treatment of benign thyroid nodules located in the lowerinner quadrant. Methods: A total of 142 benign thyroid nodules located in the lowerinner quadrant treated with ultrasoundguided microwave ablation were retrospectively analyzed, including 83 nodules ablated by transisthmic approach and 59 ablated by lateral cervical approach. The volume of 2% lidocaine,the volume of liquid isolating region, the ablation time, intraoperative pain score, complications, symptom score, cosmetic score, therapeutic success rates, and nodule volume reduction ratios were compared between the two groups. Results: Between the two groups, no significant differences were found in the volume of 2% lidocaine, the volume of liquid isolating region, the ablation time, intraoperative pain score, and the complications occurred after treatment, as well as the symptom scores, cosmetic scores, and therapeutic success rates at 1,3,6,12 months(P>0.05) after treatment. No significant differences were found in nodule volume reduction ratios end points at 1,3 months(P>0.05) after treatment. However, at 6,12 months(P<0.05) after treatment, the volume reduction ratios of the lateral cervical approach group were higher than those of the transisthmic approach group. Conclusion: For benign nodules located in the lowerinner quadrant, the lateral cervical approach for ultrasoundguided microwave ablation can be considered.
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