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Endocrinology is really about there either being too much or too little of any given hormone with the various hormonal axes in the body. There are absolutely loads of different hormones but this page looks at the ones that most commonly go wrong.
Not to put too fine a point on it you need to know about diabetes. So let's not put too fine a point on it...
Like everything in endocrinology, you either have too little (Addison's disease - adrenal insufficiency) or too much (Cushing's disease - excessive cortisol secretion). Hyperaldosteronism is another condition to know about, known as Conn's syndrome (aldosterone being another hormone produced by the adrenal glands).
There is a rare-but-common-in-exams cancer too:
Once again, you have hyperthyroidism (too much thyroid hormone) or hypothyroidism (too little thyroid hormone). It is also possible to get thyroid cancer. You can also get inflammation of the thyroid, which is (really bucking the trend here) called thyroiditis. Rarely you will get congenital abnormalities of the thyroid gland
The big thing you don't want to miss is a pituitary tumour, which can cause hypopituitarism, and Diabetes insipidus. Once again, hypersecretion can cause acromegaly or gigantism, depending on when the hypersecretion occurs. Growth hormone deficiency is also a disease of the pituitary.
There quite a few different things involved with bones. There is osteomalacia (and rickets) which are to do with bone mineralisation. Osteoporosis is often the main contributory factor to fractures in the elderly, particularly of the wrist and hip. (This was the answer to a question I was given in an OSCE station I got about falls. I got it wrong. I thought the patient was just drunk. Sometimes, you've got to hate old people.)
- Calcium - you can get hypercalcaemia and hypocalcaemia.
- Parathyroid - you can get hyperparathyroidism and hypoparathyroidism.
I bet that's pushing the boundaries of your ability to think.
There are two things you need to know about:
- Diabetes insipidus. That'll do.
- Syndrome of inappropriate anti-diuretic hormone secretion (aka SIADH)