Hyperparathyoidism is a disorder of the parathyroid glands. The parathyroids are located behind the thyroid gland in the neck. In hyperparathyroidism, a blood test, will indicate elevated calcium, caused by too much parathyroid hormone.
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Factsheet on this disorder resulting from an excessive secretion of parathyroid hormone, the causes of the different forms, their presentation, differential diagnosis, investigations, treatment and complications after surgery.