Intestinal obstruction — a serious condition that requires prompt medical attention — occurs when a blockage of the intestine prevents food or fluid from passing through.
Find out what causes different types of abdominal pain.
Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.
Finding blood in your stool can be alarming. While the cause of rectal bleeding often isn't serious, see a doctor to have this symptom evaluated.
Tests and diagnosis
Has your doctor recommended a flexible sigmoidoscopy exam? Here's what you need to know about preparation and the exam itself.
Genetic testing is used to detect altered genes that may cause illness or disease. Although genetic testing can offer important health information, it has limitations.
Find out what to expect during a needle biopsy.
Treatments and drugs
Endoscopic mucosal resection, a procedure to remove abnormal tissue from the lining of the digestive tract, is used for both diagnosis and treatment.
Jul. 16, 2011
- Polyps of the colon and rectum. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/sec02/ch021/ch021g.html#sec02-ch021-ch021e-1467. Accessed May 23, 2011.
- What I need to know about colon polyps. National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/ddiseases/pubs/colonpolyps_ez/. Accessed May 23, 2011.
- Colorectal cancer prevention and treatment. American Gastroenterological Association. http://www.gastro.org/patient-center/digestive-conditions/AGAPatientBrochure_ColorectalCancer.pdf. Accessed May 23, 2011.
- Ahnen DJ, et al. Approach to the patient with colonic polyps. http://www.uptodate.com/home/index.html. Accessed May 23, 2011.
- Detailed guide: Colorectal cancer. American Cancer Society. http://www.cancer.org/acs/groups/cid/documents/webcontent/003096-pdf.pdf. Accessed May 23, 2011.
- Torpy JM, et al. Colon polyps. Journal of the American Medical Association. 2008;300:1480.
- Itkowitz SH, et al. Colonic polyps and polyposis syndromes. In: Feldman M, et al. Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 9th ed. Philadelphia, Pa.: Saunders Elsevier; 2010. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-1-4160-6189-2..X0001-7--TOP&isbn=978-1-4160-6189-2&about=true&uniqId=229935664-2192. Accessed May 25, 2011.
- Ahnen DJ, et al. Colorectal cancer: Epidemiology, risk factors, and protective factors. http://www.uptodate.com/home/index.html. Accessed May 23, 2011.
- Tolliver KA, et al. Colonoscopic polypectomy. Gastroenterology Clinics of North America. 2008;37:229.
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