Overnight/first morning urine free metanephrines and methoxytyramine for diagnosis of pheochromocytoma and paraganglioma: Is this an option?
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DOI: 10.1530/eje-19-1016
Abstract: OBJECTIVE Sympathoadrenal activity is decreased during overnight rest. This study assessed whether urinary free normetanephrine, metanephrine and methoxytyramine in overnight/first-morning urine collections might offer an alternative to measurements in 24-hour collections or plasma for diagnosis… read more here.
Keywords: first morning; morning urine; overnight first; morning ... See more keywords