A Challenging Case of Falsely Elevated Free Thyroid Hormones.
(2020) The journal of applied laboratory medicine — Vol. 5, n° 2, p. 406-411 (2020)
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- Abstract
- CASE DESCRIPTION : The patient was a 73-year-old woman suffering from a right calcaneus (heel bone) fracture. She was treated with nebivolol, olmesartan, hydrochlorothiazide, and simvastatine for hypertension and hypercholesterolemia. The patient had no other relevant past history. At presentation in October 2018, concentrations of both free thyroxine [FT4; reference range (RR) 12.0–22.0 pmol/L] and free triiodothyronine [FT3; RR 3.1–6.8 pmol/L] were markedly increased (>100.0 and 13.3 pmol/L, respectively) but thyroid stimulating hormone (TSH) was not suppressed [1.12 mU/L (RR 0.27–4.20 mU/L)] and the patient was clinically euthyroid.
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Citations
Favresse, J., Stoefs, A., Bayart, J.-L., Burlacu, M. C., Maisin, D., Maiter, D., & Gruson, D. (2020). A Challenging Case of Falsely Elevated Free Thyroid Hormones. The journal of applied laboratory medicine, 5(2), 406-411. https://doi.org/10.1093/jalm/jfz027 (Original work published 2020)