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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 exaination reveals a thyroid nodule but no clinical sign of thyrotoxicosis. Before performig thyroid surgery, the surgeon should order :
Mesurement of thyroid hormones.
Serial determinations of serum calcium, phosphorus protein and alkaline phosphatase.
24-hours urine test for 5 hydroxyindoleacetic acid excretion.
Serial 24 hours test for catecholamines, metanephrines and vanillylamandelic acid excertion.
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