How big does a thyroid nodule need to be to require surgery?

Patient's question:

I took my mother for a routine health check-up. The doctor found she has thyroid nodules, but the ultrasound report didn't provide any guidance. So I'd like to ask, how big should a thyroid nodule be before it exerts pressure? My mother is quite elderly now, so I'd appreciate it if the doctor could clarify this for me.

Doctor's answer:

Thyroid nodules require additional relief methods to be selected based on the specific condition of the patient. If the nodule is small, has regular margins, and cannot be clearly identified, it can be observed periodically with careful attention. If the nodule decreases in size, shows obviously irregular margins, or is accompanied by fibrosis and other conditions, early fine-needle aspiration biopsy or direct surgical removal should be performed. Intraoperative rapid pathology should be conducted, and additional surgical methods should be selected based on the pathology results.

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