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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Water deprivation test

When is this performed? When diabetes insipidus is suspected What does the test involve? In the first half of the test, there is complete avoidance of fluid intake whilst taking intermittent blood and urine samples and weight measurements. The second…

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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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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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Insulin stress test

When is this performed? When hypopituitarism is suspected. What does the test involve? The administration of insulin to lower the blood sugar and the taking of blood samples to measure glucose, cortisol and growth hormone levels. Are there any side-effects?…

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Hypopitutarism

Who it affects Hypopituitarism is an uncommon disorder affecting 45 per 100,000 people. Its causes include: surgical removal of a pituitary tumour, radiation of the pituitary, infections and tumours (usually benign). What gland is involved The pituitary gland is situated…

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MRI scan
MRI scanner

MRI scan

When is this performed? Magnetic Resonance Imaging (MRI) 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 MRI…

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Hyperprolactinaemia

Who it affects A high blood prolactin level is detected in less than 1% of the general population. What gland is involved Prolactin is released from the pituitary gland, a small gland just below the brain and behind the nose.…

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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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Pituitary dictionary

ACTH Adrenocorticotrophic hormone (ACTH) is a hormone released from the pituitary gland in response to CRH from hypothalamus. ACTH acts on the adrenal glands which in turn produces hormones such as cortisol. FSH Follicle stimulating hormone is released by the…

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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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