Free practice question 16 of 20 · Endocrine
An original single best answer question in the style of the FRCS (Gen Surg) Section 1 paper, with the answer and a referenced explanation. Pick an answer to reveal it, then rate how sure you were.
A 52-year-old woman has albumin-adjusted calcium results of 2.68 and 2.71 mmol/L found incidentally. Parathyroid hormone is 5.9 pmol/L (1.6–6.9), 25-hydroxyvitamin D 68 nmol/L and eGFR above 90 mL/min/1.73 m². She has no symptoms, and her mother and brother have been told they have 'high calcium'.
What is the most appropriate next investigation?
Topic guide
Endocrine: what the exam tests
Syllabus coverage, high-yield themes and the common traps.
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