A 28-year-old machinist presents to her general practitioner (GP) with weight loss despite a good appetite, palpitations and excess sweating. The GP suspects thyrotoxicosis and confirms this by finding a free tetra-iodothyronine (T4) of 58 pmol/l (10-22) with an undetectable thyroid-stimulating hormone (TSH). On examination she has a normal sized thyroid gland with a suggestion of bulkiness on the right hand side. A technetium uptake scan reveals a single hot nodule in the right lobe of the thyroid with suppression of activity elsewhere. Which of the following clinical features would she be most likely to have? 1- Diplopia 2- Lid retraction and lid lag 3- Periorbital oedema 4- Presence of thyroid-stimulating immunoglobulins (TSI) 5- Unilateral exophthalmos
Posted on: Thu, 13 Mar 2014 13:55:36 +0000
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