Medullary Thyroid Carcinoma Mimicking an Autonomous Functioning Nodule
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A 42-year-old woman with a medullary thyroid carcinoma (MTC) inside of an autonomously functioning thyroid nodule is reported. The patient was initially diagnosed of a hyperfunctioning autonomous thyroid adenoma but the histopathological and immunohistochemistry study were diagnostic for a MTC. This is the first case of a medullary thyroid carcinoma associated with thyroid hyperfunction which was presented as a hot nodule in the scintigraphy. We propose a systematic performance of a fine needle biopsy in all thyroid nodules because of the possibility of carcinoma associated to functioning nodules could be present.
Lau L, Ghaznavi S, Frolkis A, Stephenson A, Robertson H, Rabi D Thyroid Res. 2021; 14(1):3.
PMID: 33632297 PMC: 7905613. DOI: 10.1186/s13044-021-00094-1.