A 55 year old woman is diagnosed with pheochromocytoma.
What is the single most likely lab investigation that confirmed the diagnosis?

Question

A 55 year old woman is diagnosed with pheochromocytoma. 
 What is the single most likely lab investigation that confirmed the diagnosis?

Accepted Answer

high VMDA in 24 h urine, increased serum adrenaline and noradrenaline

Answer

high VMDA in single urine sample, increased serum adrenaline and noradrenaline

Answer

low VMDA in 24 h urine, decreased serum adrenaline and noradrenaline

Answer

low VMDA in single urine sample, decreased serum adrenaline and noradrenaline

Answer

high plasma VMDA, adrenaline and noradrenaline

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