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Carcinoid tumor

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A carcinoid tumor is a rare, slow-growing cancer that usually starts in the lining of the digestive tract (appendix, stomach, small intestine, colon, rectum) or in the lungs but may occur elsewhere.[1][2] Because carcinoid tumors grow slowly and don't produce symptoms in the early stages, affected individuals may have the tumor for years before being diagnosed. In later stages the tumor sometimes produces hormones that can cause carcinoid syndrome. The syndrome causes flushing of the face and upper chest, diarrhea, and trouble breathing. Surgery is the main treatment for a carcinoid tumor. If it does not spread to other parts of the body, surgery can typically cure the cancer.[1]
Last updated: 4/9/2012


  1. Carcinoid Tumors. MedlinePlus. 2009; Accessed 10/4/2009.
  2. Carcinoid tumors. 2008; Accessed 10/4/2009.
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Basic Information

  • The American Cancer Society provides detailed guides on lung and gastrointestinal carcinoid tumors. Click on the above links to access this information.
  • Cancer.Net, a resource from the American Society of Clinical Oncology, provides information about carcinoid tumors. Click on the above link to access this information.
  • MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
  • The National Cancer Institute provides the most current information on cancer for patients, health professionals, and the general public.  Click on the link to view information on this topic. 
  • The Carcinoid Cancer Foundation, Inc. has an information page on carcinoid tumors and related neuroendocrine tumors. Click on Carcinoid Cancer Foundation, Inc. to view the information page.

In Depth Information

  • Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
  • The Online Mendelian Inheritance in Man (OMIM) is an catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Carcinoid tumor. Click on the link to view a sample search on this topic.