High-grade Thyroid Cancer Diagnosed After Radiofrequency Ablation Therapy With Multiple Benign Biopsies

Mayumi Endo1, Isaye Barton1, Nicole Zern2

  • 1Division of Metabolism, Endocrinology, and Nutrition, University of Washington, Seattle, WA 98195, USA.

JCEM Case Reports
|January 12, 2026
PubMed
Summary

Radiofrequency ablation (RFA) can shrink thyroid nodules. However, this case highlights that even with benign fine needle aspirations (FNA), high-grade thyroid cancer can be missed, emphasizing the need for ongoing monitoring.