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What is parathyroid cancer?
Parathyroid cancer starts in the cells of the parathyroid glands. A cancerous (malignant) tumour is a group of cancer cells that can grow into and destroy nearby tissue. It can also spread (metastasize) to other parts of the body.
The parathyroid glands are 4 pea-sized organs behind the thyroid in the neck. They are usually attached to the surface of the thyroid with 2 on each side.
Parathyroid glands are part of the endocrine system. The endocrine system is the group of glands and cells that make and release hormones into the blood to control many body functions, such as breathing and circulating blood.
Parathyroid glands make parathyroid hormone (PTH). PTH controls the amount of calcium in the blood. Most calcium is stored in the bones. When calcium levels in the blood are low, the parathyroid glands make PTH to get the bones to release calcium into the blood. When calcium levels in the blood are high, the glands make less PTH.
Cells in any of the parathyroid glands sometimes change and no longer grow or behave normally. These changes may lead to non-cancerous (benign) tumours called parathyroid adenomas. Cell changes can also lead to a non-cancerous condition called parathyroid hyperplasia.
But in some cases, changes to parathyroid cells can cause parathyroid cancer (also called parathyroid carcinoma). It is a very rare cancerous tumour.
The gland in the neck, on either side of the trachea (windpipe) just below the larynx (voice box), that makes and releases hormones involved in growth and metabolism.
Also called the thyroid gland.
A mineral that the body uses to build and maintain bones, teeth and connective tissues (tissue that surrounds and supports various organs in the body), and is essential in metabolism and the functioning of nerves and muscles.
Calcium is found in dairy products, leafy green vegetables, seeds and nuts, tofu and dried fruit.
Calcium is a type of electrolyte.
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