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Hyperparathyroidism
How Is Hyperparathyroidism Diagnosed?
Hyperparathyroidism is diagnosed when tests show that blood levels of calcium as well as parathyroid hormone are too high. Other diseases can cause high blood calcium levels, but only in hyperparathyroidism is the elevated calcium the result of too much parathyroid hormone. A blood test that accurately measures the amount of parathyroid hormone has simplified the diagnosis of hyperparathyroidism.
Once the diagnosis is established, other tests may be done to assess complications. Because high PTH levels can cause bones to weaken from calcium loss, a measurement of bone density may be done to assess bone loss and the risk of fractures. Abdominal radiographs may reveal the presence of kidney stones and a 24-hour urine collection may provide information on kidney damage and the risk of stone formation.
What Causes Hyperparathyroidism?
