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3-methoxy-4-hydroxymandelic acid test

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A test on a 24-hr urine specimen in order to measure the catecholamine metabolite, 3-methoxy-4-hydroxymandelic acid (vanillylmandelic acid)


3-methoxy-4-hydroxymandelic acid levels in urine are determined to assess the presence of tumors, e.g. pheochromocytoma and neuroblastoma.

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