[Catecholamines and their derivatives in the study of pheochromocytoma].


The biochemical diagnosis of pheochromocytoma is essentially based on the plasma and urinary levels of catecholamines and their derivatives, the metanephrines and vanyl-mandelic acid. The advantages and disadvantages of these investigations are reviewed, especially as regards the specificity and sensitivity of each test. The measurement of urinary… (More)


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