Question

A 55-year-old man has persistent hypercalcaemia on repeated tests (adjusted calcium 2.85 mmol/L). His PTH level is inappropriately high. He feels tired but is otherwise well. Renal function is normal and there is no evidence of malignancy. What is the most likely diagnosis?

Accepted Answer

Primary hyperparathyroidism

Answer

Malignancy-associated hypercalcaemia

Answer

Sarcoidosis

Answer

Thiazide-induced hypercalcaemia

Answer

Vitamin D intoxication

Practice question

A 55-year-old man has persistent hypercalcaemia on repeated tests (adjusted calcium 2.85 mmol/L). His PTH level is inappropriately high. He feels tired but is otherwise well. Renal function is normal and there is no evidence of malignancy. What is the most likely diagnosis?