A 10-year-old child presents with hypertension, tachycardia, nervousness and sweating. The best initial diagnostic evaluation is which of the following?
A. Radioimmunoassays for norepinephrine and epinephrine in serum
B. Magnetic resonance imaging of the adrenal gland
C. MIBG (131I-Methaiodobenzylguanidine) scintigraphy
D. Measurement of catecholamines and their degradation products in a 24-hour urine specimen
Answer:D
A 10-year-old child presents with hypertension, tachycardia, nervousness and sweating. The best initial diagnostic evaluation is which of the following?
A. Radioimmunoassays for norepinephrine and epinephrine in serum B. Magnetic resonance imaging of the adrenal gland C. MIBG (131I-Methaiodobenzylguanidine) scintigraphy D. Measurement of catecholamines and their degradation products in a 24-hour urine specimen