A member asked:

Is it possible to have false positives for chromogranin a , vasoactive instestional peptides, 5-hiaa? all these test have been high than others normal

A doctor has provided 1 answer
Dr. Thomas Knecht answered

Specializes in

No test is perfect: Hi. In medicine, we rely heavily on objective data, but no test is perfect. The fact that your Cg A, VIP, and 5-HIAA are ALL high lends credence to the hypothesis you have a neuroendocrine tumor in the carcinoid/VIPoma category. I trust you are being seen by a physician experienced in endocrine tumor syndromes, or will soon be referred to one. Mayo Clinic is great for that. Others too. Good luck!

Answered 9/22/2014

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