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vanillylmandelic acid.

The Predictive Value of Urinary Vanillylmandelic Acid Testing in the Diagnosis of Phaeochromocytoma at The University Hospital of the West Indies

Vanillylmandelic acid testing at the University Hospital of the West Indies has low positive predictive value, and special care must be taken in interpreting marginally elevated results. The use of assays with higher specificity (eg plasma or urinary metanephrines) may represent a more cost-effective approach to biochemical screening for phaeochromocytoma.


Objective: To investigate the positive predictive value (PPV) of urinary vanillylmandelic acid (VMA) testing in the diagnosis of phaeochromocytoma and to describe the features associated with phaeochromocytoma at the University Hospital of the West Indies (UHWI).

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e-Published: 17 Oct, 2013
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