Patients
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MAY, THYROID NODULES, THYROID NODULE
Patients with thyroid nodules who underwent FNA between May 2022 and July 2022 were prospectively enrolled in the study. The inclusion criteria were: (1) patients aged 18 years and above; (2) patients who provided written informed consent; and (3) patients who underwent ultrasound suggesting the presence of a thyroid nodule. The exclusion criteria were: (1) patients under anticoagulant therapy, such as aspirin and warfarin; (2) patients who could not cooperate with punctures, such as severe cough; and (3) those who could not provide written informed consent.