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  • Clinical presentation and diagnosis of pheochromocytoma
    The clinical presentation and approach to diagnosis of pheochromocytoma are reviewed here The genetics and treatment of pheochromocytoma and the clinical manifestations, diagnosis, and treatment of paragangliomas are discussed separately
  • Understanding Metanephrine Levels In Urine | MedShun
    Urine metanephrine tests are often used to help diagnose or rule out pheochromocytoma or other rare tumors of the adrenal glands, known as paragangliomas These tumors can produce excess catecholamines, which are broken down to form metanephrines and normetanephrines
  • 004044: Metanephrines, Pheochromocytoma Evaluation - Labcorp
    Simultaneous measurement of urine creatinine permits expression of the metanephrine:creatinine ratio Some clinicians use >2 2 μg metanephrines mg creatinine to distinguish pheochromocytoma from normal with this ratio 1
  • Metanephrines, Fractionated, 24 Hour, Urine - Test Catalog
    Increased metanephrine and normetanephrine levels are found in patients with pheochromocytoma and tumors derived from neural crest cells Total urine metanephrine levels of 1300 mcg 24 h and lower can be detected in non-pheochromocytoma hypertensive patients
  • Urinary Free Metanephrines for Diagnosis of Pheochromocytoma and . . .
    Pheochromocytoma and paraganglioma (PPGL) is diagnosed through biochemical confirmation of excessive catecholamines in urine and plasma Recent technological developments have allowed us to measure urinary free metanephrines; however, the diagnostic
  • Pheochromocytoma Lab Tests - Adrenal
    Plasma free metanephrines levels above 3-4 times normal almost always indicates the presence of pheochromocytoma • 24-hour collection of urine fractionated metanephrines and catecholamines This urine test is typicaly quite accurate and has a high sensitivity and specificity and can be used for confirmatory testing or in lieu of plasma testing
  • Pheochromocytoma - Diagnosis and treatment - Mayo Clinic
    Raised levels of metanephrines are more common when a person has a pheochromocytoma Metanephrine levels are less likely to be high when a person has symptoms due to something other than pheochromocytoma 24-hour urine test In this test, you collect a urine sample every time you urinate over 24 hours
  • Pheochromocytoma Workup: Approach Considerations, Metanephrine and . . .
    Plasma metanephrine testing has the highest sensitivity (96%) for detecting a pheochromocytoma, but it has a lower specificity (85%) In comparison, a 24-hour urinary collection for catecholamines


















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