Group: Carcinoid Syndrome

What about other vitamin or dietary supplements?

October 17, 2015

I do endorse a multiple vitamin supplement and all patients with carcinoid syndrome should take low doses of niacin to prevent subclinical pellagra.…

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If I have a patient with severe asthma, facial flushing, and elevated serum 5-HIAA, could this be carcinoid syndrome?

October 17, 2015

It can be carcinoid syndrome. How high is the 5-HIAA and was the urine collected on a serotonin-free diet?  If it was more than just slightly elevated, then confirm its significance by testing blood serotonin, which should be increased; blood tryptophan,…

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Which symptoms need to be present to diagnose carcinoid syndrome?

October 17, 2015

Carcinoid syndrome requires one or more of the following for laboratory confirmation of the diagnosis: increased blood serotonin with decreased blood tryptophan, increased chromogranin A and increased urine 5HIAA or indole-3-acetic acid. In spite…

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If I have been diagnosed with carcinoid syndrome due to a high 5-HIAA & symptoms, but nothing shows on a CT scan, what’s next?

October 17, 2015

If I understand your question correctly, you state that a diagnosis of carcinoid syndrome is suspected because of symptoms and high urine 5-HIAA, but the CT scan is normal and you want to know what other tests should now be done to prove the diagnosis. Failure…

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Does the body build up a tolerance to Sandostatin LAR or IR over time so that it becomes less effective?

October 17, 2015

Usually NOT. It may infrequently produce antibodies that make it less effective, but this is in only a very small minority of cases. In some other cases it becomes less effective AT THE SAME DOSAGE because the tumors are growing. In most cases it is better…

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