Which of the following is best for diagnosis of pheochromocytoma?
High-Yield Explanation
Pheochromocytoma Most sensitive screening test for pheochromocytoma- Urinary catecholamines and Vanillyl mandelic acid (VMA)level. Best test for diagnosis of pheochromocytoma- 24 hours plasma fractionated Metanephrine > 24 hours urinary plasma fractionated Metanephrine 24 hours urinary hydroxy indole acetic acid is performed for carcinoid tumors