What if the results are negative in the 24 hour catecholamine urine test?
It is still recommended that the plasma metanephrine test be performed to confirm or eliminate the diagnosis of pheochromocytoma, particularly if the symptoms are episodic. The 24 hour urine tests are not always successful at picking up intermittently secreting tumors. SYMPTOMS List of symptoms of Pheochromocytoma Symptoms vary greatly with each patient. Sterotyped textbook cases of Pheochromocytoma are rare. Symptoms can include: • Headaches • Nausea • Vomiting • Weight loss or gain • Hypertension • Hyperglycemia • Diabetes • Diabetes-like symptoms • Palpitations • Angina Chest Pain • Clammy skin Cold skin • Anxiety • Nervousness • Panic • Feeling of impending doom • Rapid pulse • Rapid breathing • Breathing difficulty • Vision disturbance • Impaired vision • Orthostatic hypotension • Fainting • Sweating • Flushing • Abdominal pain • Flank pain • Constipation • Paresthesia (tingling, prickling, numbness or burning sensations) Have More Questions? More Comprehensive FAQ Please also see
