Microwave vs. Radiofrequency Ablation for Benign Thyroid Nodules: A Multicenter Randomized Controlled Trial Study

Exclusion Criteria

• •Coagulation mechanism disorder or bleeding tendency
• •Patients with severe cardiopulmonary insufficiency
• •Blood pressure cannot be effectively controlled
• •abnormal liver function
• •Blood glucose cannot be effectively controlled
• •Abnormal thyroid function
• •Allergic history of ultrasound contrast agent
• •Suspicious lymph node metastasis in the cervical region
• •Abnormal contralateral vocal cord function
• •Pregnant and lactating women
• •Have participated in clinical trials of any drug and/or medical device within 3 months prior to enrollment
• •The researchers believe that there are any other factors that are not suitable for inclusion or that affect participants' participation in the study.
• •Patients with inner pacemaker, hearing aid, metal stent, titanium clip, internal (external) steel plate and other metal objects.