What Is the Surgical Treatment for Follicular Thyroid Cancer?
Clinical Scenario
Follicular thyroid cancer is a differentiated thyroid malignancy in which surgical intervention forms the cornerstone of first-line management. The treatment decision centres on determining the appropriate extent of thyroid surgery based on tumour stage and individual risk factors.
Treatment Approach
Thyroidectomy is the standard surgical treatment. The extent of resection varies according to tumour characteristics — the full evidence-based criteria that determine which surgical approach is indicated, and what follows, are set out in the structured protocol.
Complete surgical algorithm, decision criteria, and post-operative management available in the full protocol.
Treatment Response Goals
An excellent response to therapy is defined by biochemical and imaging criteria assessed after treatment completion — including specific serum thyroglobulin (Tg) thresholds that vary depending on the surgical and adjuvant approach used.
References
- For other TCs, total thyroidectomy is still considered the standard surgical treatment.
- Two large database studies on surgical management strategies found that, for selected low-risk tumours (T1a–T1b–T2, N0), lobectomy alone does not reduce OS [IV, B].
- In patients treated with total thyroidectomy plus RAI remnant ablation, stimulated serum Tg levels <1 ng/ml are highly predictive of an excellent response to therapy, and subsequent stimulated Tg assays are unnecessary.
- High-sensitivity (<0.2 ng/ml) assays of basal Tg level can also be used to verify the absence of disease (excellent response) [II, B].
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