A 10-year-old child presents with hypertension, tachycardia, nervousness and sweating. The best initial diagnostic evaluation is which of the following?
- Radioimmunoassays for norepinephrine and epinephrine in serum
- Magnetic resonance imaging of the adrenal gland

- MIBG (131I-Methaiodobenzylguanidine) scintigraphy
- Measurement of catecholamines and their degradation products in a 24-hour urine specimen
Answer
Category:
Endocrinology MCQs
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