Calcium in Internal Medicine pp 81-101 | Cite as
Hypercalcaemia and Primary Hyperparathyroidism
Abstract
The differential diagnosis of hypercalcaemia is vast, yet over 90% of afflicted patients carry one of two common diagnoses: either primary hyperparathyroidism or malignancy. The former is the most frequent cause of elevated blood calcium levels in a free-living population, while malignancy is the most common diagnosis in hospitalised patients. It is essential to develop a rational strategy for evaluating patients with hypercalcaemia: first, in order to ascertain the cause underlying the abnormality, and second, in order to determine the need for treatment. Not all patients with hypercalcaemia require intervention. In some cases, appropriate therapy is directed to controlling the calcium level per se; in other situations, it is targeted to the underlying disease; and in other clinical situations, no treatment at all is indicated. This chapter will emphasise primary hyperparathyroidism as the central disorder characterised by hypercalcaemia. Other causes of hypercalcaemia will be discussed in less detail thereafter (see Table 3.5).
Keywords
Cancellous Bone Primary Hyperparathyroidism Parathyroid Carcinoma Primary Hyper Osteitis Fibrosa CysticaPreview
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References
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