Article
Hyperfunctioning distant metastases in high-grade differentiated thyroid carcinoma arising from HRAS-mutated follicular thyroid carcinoma: a case report and literature review.
Frontiers in endocrinology - 1 Jan 2026
Park Ji Yong, Yoo Su Woong, Kim Sung Sun, Hong A Ram, Yoon Jee Hee, Kim Hee Kyung, Kang Ho-Cheol
Abstract excerpt
Background: Hyperfunctioning distant metastases from differentiated thyroid carcinoma (DTC) are rare but increasingly reported. We report hormone-producing lung and bone metastases from an HRAS-mutated high-grade differentiated thyroid carcinoma (HGDTC) originating from follicular thyroid carcinoma (FTC), with a brief literature review. The metastases showed a marked response to radioactive iodine (RAI). Patient...
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