The dipping of snuff provoked paroxysmal hypertension that induced myocardial ischemia in a 69-year-old woman with pheochromocytoma. The diagnosis of her tumor was delayed by a report of a falsely low urine metanephrine level, resulting from interference with the metanephrine assay by meglumine present in the urine because of contrast coronary angiography performed on the day of urine collection.
|Original language||English (US)|
|Number of pages||3|
|Journal||JAMA - Journal of the American Medical Association|
|State||Published - Nov 23 1984|
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