Treatment of Anaplastic Thyroid Cancer — Stage IVA or IVB with Resectable Tumor

This protocol applies to patients with stage IVA or IVB anaplastic thyroid cancer (ATC) in whom complete or near-complete surgical removal of the tumor is anticipated, with no evidence of distant metastatic disease and good performance status.

Clinical Scenario

Anaplastic thyroid cancer, stage IVA or IVB, with a resectable primary tumor and anticipated R0 (negative microscopic margins) or R1 (gross resection achieved) surgical outcome. No distant metastatic disease. Good performance status.

Treatment Approach

The management of resectable ATC in this setting centres on surgical resection as the primary intervention. The goal is complete visible tumor removal — complete resection (R0 or R1), rather than debulking, defines what constitutes a surgically appropriate candidate.

The complete structured regimen — including surgical specifics and subsequent management steps — is available in the full protocol.

Instant Access to Structured Evidence-Based Regimens

References

DOI: 10.1089/thy.2020.0944

For patients with confined (stage IVA/IVB) ATC in whom R0/R1 resection is anticipated, we strongly recommend surgical resection.
Total or near-total thyroidectomy with therapeutic lymph node dissection of the central and lateral neck lymph node compartments should be considered the most optimal surgical treatment in patients with resectable disease.
Complete visible tumor resection (R0 or R1), not debulking (R2 resection), is the goal of surgery and should be used to define what constitutes a resectable tumor.

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