24 hour urine collection

When is this performed? This is required when diseases such as primary hyperparathyroidism, phaeochromocytoma and carcinoid and Cushing`s syndrome What does the test involve? Collecting the correct container (i.e. with the correct additive for the test being performed) and instructions…

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Addison`s disease

Who it affects Addison`s disease is a rare disorder affecting 1 in every 100,000 people. It may be due to antibody destruction of cells in the adrenal gland, surgical removal of the adrenal glands, infections or inherited conditions. What gland…

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Adrenal dictionary

Adrenalectomy Removal of the adrenal gland by surgery. This is increasingly being performed laproscopically where possible. Aldosterone A hormone produced by the adrenal gland in response numerous factors, including. Aldosterone acts on the kidneys to conserve sodium and water. In…

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Conn’s syndrome

Who it affects Conn`s syndrome or primary hyperaldosteronism occurs in 2% of patients with high blood pressure. What gland is involved The adrenal glands are affected in this disorder. There are 2 adrenal glands. They are small star shaped glands…

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Cortisol day curve

When is this performed? To monitor the adequacy of steroid replacement in conditions like hypopituitarism and Addison`s disease  To monitor the adequacy of drug control of Cushing`s syndrome What does the test involve? The taking of blood samples to measure…

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Adrenal surgery

When is this performed? When there is a specific adrenal lesion that over produces hormones, e.g. Conn`s syndrome, phaeochromocytoma When a malignant adrenal lesion cannot be ruled out, e.g. lesion greater than 5cm or lesion enlarging at fast rate Both…

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CT scan
PET-CT scanner

CT scan

When is this performed? Computerised tomography (CT) is requested by an endocrinology specialist in the investigation of a variety of disorders. It is usually performed after other investigations suggest an excess or deficiency of a particular hormone(s). An CT scan…

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Long synacthen test

When is this performed? To help distinguish the various causes of low steroid levels in the body. What does the test involve? The administration of a drug (Tetracosactrin at a higher dose than in the short synacthen test) and the…

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Cushing`s syndrome

What is it This disorder is characterised by an excess of glucocorticoids or steroid production in the body. Who it affects Cushing`s syndrome is a rare disorder affecting 1 per 500,000 people. What gland is involved Cushing`s syndrome may result…

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Short synacthen test

When is this performed? When diseases such as Addison`s disease, glucocorticoid deficiency, hypopituitarism are suspected. What does the test involve? The administration of a drug (Tetracosactrin) and the taking of blood samples to measure cortisol and ACTH levels. Are there…

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Phaeochromocytoma

Who it affects This is a rare condition that affects about 5 in 1 million people. What gland is involved Phaeochromocytomas usually arise in the adrenal glands. They secrete catecholamine hormones, usually adrenaline or noradrenaline.  Symptoms Patients with a phaeochromocytoma…

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Obesity dictionary

Bariatric surgery An umbrella term for different types of surgery used in the treatment of obesity. Procedures can be divided into restrictive, mal-absorptive and combination procedures (restrictive and mal-absorptive) BMI A calculation of weight (in Kg) divided by height squared…

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Obesity

Who it affects Obesity is an increasingly common disorder. It is estimated that obesity will affect 40% of the population by 2020. BMI (Body Mass Index) is used to classify patients as overweight or obese. BMI is calculated by dividing…

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