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| Carcinoid tumors arise from glandular endocrine-hormone producing cells that are widely distributed within the body but found in greatest amounts in the small intestine and then in decreasing amounts in the appendix, rectum, lung, pancreas and very rarely in the ovaries, testes, liver, bile ducts or other locations. Carcinoid cells are capable of producing hormones. Not all functioning carcinoid tumors produce the same large variety of chemicals and hormones and it is not yet entirely clear which of the substances are responsible for each of the symptoms. Conventional Diagnosis Non-functioning carcinoid tumors are so slow-growing that many years may pass between the onset of any symptoms and the diagnosis. The diagnosis is not usually suspected prior to surgery but is then established by biopsy. Surgery is often recommended and can be highly successful. |
| 5-HIAA Urine test Alcohol Avoidance Chromogranin A (CgA) Test |