- surgery (to take out the cancer); radiation therapy (using high-dose x-rays to kill the cancer cells); biological therapy (using the body's natural immune system to fight the cancer); and chemotherapy (using drugs to kill cancer cells). Carcinoid tumors are considered a type of endocrine tumor since they secrete a hormone (serotonin). They can occur as part of certain genetic disorders such as the multiple endocrine neoplasia (MEN) type 1 and neurofibromatosis type 1 (NF1 or von Recklinghausen disease).
* * *a small, slow-growing neuroendocrine tumor arising from enterochromaffin cells and occurring most often in the gastrointestinal tract and lung; it consists of nests of cells of uniform size containing finely stippled chromatin and electron-dense secretory granules. Such tumors produce a variety of humoral mediators that are normally metabolized by the liver; if they escape into the blood stream, the carcinoid syndrome results.
Medical dictionary. 2011.
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