Carcinoid tumors are rare, slow-growing cancerous tumors that most often occur in the gastrointestinal tract or in the lungs.
Colon cancer and rectal cancer combined are the second-leading cause of cancer-related deaths in the United States. Regular screening tests can help reduce your risk.
Though uncomfortable and sometimes embarrassing, hemorrhoids — and the accompanying itching and bleeding — are common. Effective treatments are available and mostly involve lifestyle and home remedies.
Plague is a disease carried by rats and other rodents. The risk of developing plague is low, and most cases occur in Africa.
Proctitis is an inflammation of the lining of the rectum.
Solitary rectal ulcer syndrome, a rare condition, may be caused by chronic constipation. Dietary changes may help mild cases.
Ulcerative colitis is a form of inflammatory bowel disease (IBD) — a serious inflammation of the digestive tract that can cause abdominal pain and diarrhea.
Apr. 30, 2011
- Bleeding, rectal. In: Ferri FF. Ferri's Clinical Advisor 2011: Instant Diagnosis and Treatment. Philadelphia, Pa.: Mosby Elsevier; 2011. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-0-323-05610-6..C2009-0-38600-6--TOP&isbn=978-0-323-05610-6&about=true&uniqId=230100505-53. Accessed March 11, 2011.
- Bjorkman DJ. Gastrointestinal hemorrhage and occult gastrointestinal bleeding. In: Goldman L, et al. Cecil Medicine. 23rd ed. Philadelphia, Pa.: Saunders Elsevier; 2008. http://www.mdconsult.com/das/book/body/191371208-2/0/1492/0.html#. Accessed March 11, 2011.
- Bleeding in the digestive tract. National Institute for Diabetes and Digestive and Kidney Diseases. http://digestive.niddk.nih.gov/ddiseases/pubs/bleeding/index.htm. Accessed March 11, 2011.
- Jutabha R. Etiology of lower gastrointestinal bleeding in adults. http://www.uptodate.com/home/index.html. Accessed March 11, 2011.
- Wilkinson JM (expert opinion). Mayo Clinic, Rochester, Minn. March 28, 2011.