Limitations of Raised Thyroglobulin: Two Cases of Benign Lymphadenopathy Mimicking Thyroid Carcinoma.
case_report · Level V
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- Record sourced from PubMed, PMID 41943071.
- Also identified by DOI 10.1002/lary.70556.
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Abstract
Markedly elevated thyroglobulin (Tg) washout is often considered highly suggestive of metastatic differentiated thyroid cancer. We present two cases of false-positive Tg washout in cervical lymph nodes with benign pathology, notably in patients who were carriers of iron-handling disorders. These findings highlight the limitations of Tg washout as a standalone marker and the need for multimodal interpretation.