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1108 Medicine

A 25 year old young woman has recurrent episodes of headache and sweating. Her mother had renal calculi and died after having a neck mass. The physical examination reveals a thyroid nodule but no clinical sign of thyrotoxicosis. Before performing thyroid surgery, the surgeon should order :

AMeasurement of thyroid hormones
BSerial determinations of serum calcium, phosphorus protein and alkaline phosphatase
C24-hours urine test for 5 hydroxyindoleacetic acid excretion.
DSerial 24 hours test for catecholamines, metanephrines and vanillylamandelic acid excretion.
Medicine
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