Which investigation best confirms Primary hyperparathyroidism?
Answer and explanation
Correct answer: C. Serum calcium with parathyroid hormone
- Step 1: The test that best confirms Primary hyperparathyroidism is: serum calcium with parathyroid hormone.
Answer
Serum calcium with parathyroid hormone.
Why not the others: 'Serum TSH': it assesses the thyroid. '24-hour urinary catecholamines': they screen for phaeochromocytoma. 'Serum ferritin': it assesses iron stores.
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