Endocrine Abstracts

Case history: A 74 year old female was treated for hyperthyroidism of uncertain aetiology by her general practitioner. Carbimazole had been continued for 15 years - current dose 5 mg daily. Following referral to endocrine outpatients, consideration was given to stopping carbimazole as this treatment was possibly no longer required, although a small risk of relapse was accepted. Prior to stopping carbimazole, Free T4 - 10.5 pmol/l (7.5–21.1), TSH - 0.61 mU/l (0.35–4.7...