Endocrine Abstracts

Case: A 62-year old man with a previous diagnosis of asymptomatic subclinical hypothyroidism (TSH: 13.6 mU/L, FT4: 23 pmol/L) and elevated TPO antibody titres (>600 IU/ml) was referred with persistently elevated TSH levels despite increments in the dose of thyroxine. Thyroid function test (TFT) on 200 mcg of thyroxine showed an elevated TSH (13.0 mu/L) and FT4 (31.1 pmol/L). Thyroxine was gradually reduced and stopped. Following this, although FT4 levels normalised (20.7 p...

A 49-year-old lady was referred by her GP with lethargy, oligomenorrhoea and persistent hypertension despite three anti-hypertensives (lisinopril, amlodipine, and atenolol). She denied exogenous steroid usage and had no other medical history.On examination, she had features of Cushing’s syndrome including plethora, moon face, central obesity and androgenisation of her facial skin. She weighed 98 kg.Overnight (1 mg) low dose de...

Case Report: A lady of 43 presented with an insidious onset of weight loss, lethargy, muscle pains, and more recently; polydipsia, nausea and vomiting. She had been recently started on levothyroxine for primary hypothyroidism. She was hypotensive and tachycardic. Investigations revealed Sodium 123 mmol/L (133–146), Potassium 5.0 mmol/L (3.5–5.3), Urea 16.2 mmol/L (2.5–7.8), Creatinine 153 umol/L (45–90) and calcium 3.4 mmol/L (2.1–2.6). PTH was <0....