How Often Is Thyroid Hormone Needed After Hemithyroidectomy?

Nearly 40% of patients initiated thyroid hormone therapy within 2 years of hemithyroidectomy, with higher preoperative thyroid‐stimulating hormone levels and thyroid cancer identifying those at greatest risk.

By
Andrea Surnit
August 12, 2026
3 min

MDSpire News

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40% of patients initiated thyroid hormone therapy within 2 years after hemithyroidectomy, with most starting in the first postoperative year.
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The study analyzed 8,467 adult patients who underwent hemithyroidectomy from 2003 to 2020 with normal preoperative thyroid function.
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Treatment initiation was more common in patients with thyroid cancer (73%) compared to those without (33%).
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Each 1 mIU/L increase in preoperative thyroid-stimulating hormone level was associated with 1.6 times the odds of initiating therapy.
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92% of treatment initiation events occurred within the first postoperative year, indicating a need for monitoring in select patients.

How Often Is Thyroid Hormone Needed After Hemithyroidectomy?

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Original Source(s)

How Often Is Thyroid Hormone Needed After Hemithyroidectomy?

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