Endocrine Abstracts

Armour thyroid (Armour) is unlicensed in the UK for the treatment of hypothyroidism. It is natural porcine-derived thyroid replacement with 1 grain containing 38 mcg levothyroxine (T4) and 9 mcg L-triiodothyronine (T3), and unspecified amounts of T1, T2 and calcitonin. We have used Armour as a third line agent in selected patients who have not responded adequately to T4 monotherapy, and combination T4/T3 therapy since 2003.Aim: To assess c...

A 64-year-old man presented with mild biochemical hyperthyroidism – TSH <0.01 mU/l (NR 0.35–4.90), FT4 19.4 pmol/l (NR 9–19) in 2005. He was treated by his general practitioner with a 9 months course of carbimazole. Six months later, TSH became suppressed (0.05 mU/l) but with a normal fT4 (17 pmol/l). He was referred to a ‘One-Stop’ Thyroid Clinic and was seen there 3 months later. Thyroid isotope scan showed a toxic multinodular goitre. He was tre...