PMC5592706_01
Multi-modal anti-thyroid therapy temporises thyrotoxicosis with reduction in thyroid hormone levels prior to semi-urgent total thyroidectomy.
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fig1
Thyroid studies revealed thyrotoxicosis, with a suppressed thyroid-stimulating hormone (TSH) (reference range: 0.3-4.0 mU/L), a free triiodothyronine (T3) of 30.8 pmol/L (reference range: 3.5-6.5 pmol/L) and a free thyroxine (T4) of 62.3 pmol/L (reference range: 9.8-18.8 pmol/L) (Fig. 1). He was commenced on carbimazole 10 mg three times daily orally and propanolol 40 mg twice daily orally (Fig. 1).