Question

A 60-year-old presents with increased thirst, polyuria, and confusion. Serum calcium is 3.2 mmol/L (normal 2.2-2.6 mmol/L). PTH is elevated. Which is the most likely cause of his hypercalcaemia?

Accepted Answer

Primary hyperparathyroidism

Answer

Malignancy-related hypercalcaemia

Answer

Sarcoidosis

Answer

Familial hypocalciuric hypercalcaemia

Answer

Thyrotoxicosis

Practice question

A 60-year-old presents with increased thirst, polyuria, and confusion. Serum calcium is 3.2 mmol/L (normal 2.2-2.6 mmol/L). PTH is elevated. Which is the most likely cause of his hypercalcaemia?