Question

A 63-year-old woman presents with corrected serum calcium 3.1 mmol/L (elevated), suppressed PTH, weight loss and bone pain. Which investigation is most useful in identifying the likely cause of her hypercalcaemia?

Accepted Answer

PTH-related peptide (PTHrP) and search for malignancy

Answer

Serum 25-hydroxyvitamin D level

Answer

Serum ACE level

Answer

Short synacthen test

Answer

Urinary catecholamines

Practice question

A 63-year-old woman presents with corrected serum calcium 3.1 mmol/L (elevated), suppressed PTH, weight loss and bone pain. Which investigation is most useful in identifying the likely cause of her hypercalcaemia?