9 out of 10
A 25 yr 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: (AIIMS Nov 2012)
|A||Measurement of thyroid hormones.|
|B||Serial determinations of serum calcium, phosphorus protein and alkaline phosphatase.|
|C||24-hours urine test for 5 hydroxyindoleacetic acid excretion.|
|D||Serial 24 hours test for catecholamines, metanephrine and vanillylmandelic acid excretion.|
Serial 24 hours test for catecholamines, metanephrine and vanillylmandelic acid excretion.