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Topic: Colonoscopy

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Gastrointestinal tract

	Colonoscopy
		Your colon must be completely empty for the colonoscopy to be thorough and safe.
		Thorough cleansing of the bowel is necessary before a colonoscopy.
		In many cases, a colonoscopy allows for accurate diagnosis and treatment of colon abnormalities without the need for a major operation.
	digestive.niddk.nih.gov /ddiseases/pubs/colonoscopy (1021 words)

	Encyclopedia: Colonoscopy
		Colonoscopy is the minimally invasive endoscopic examination of the large colon and the distal part of the small bowel with a fiber optic camera on a flexible tube passed through the anus.
		Colonoscopy is the examination of the large colon and part of the small colon with a fiber optic camera on a flexible tube passed through the anus.
		The colonoscopy is an alternative procedure to the barium enema for large bowel investigations, and has the advantage of allowing the doctor to take small samples of tissue (biopsies) or remove polyps.
	www.nationmaster.com /encyclopedia/Colonoscopy (668 words)

	Info and facts on 'Colonoscopy' (Site not responding. Last check: )
		Indications for colonoscopy include gastrointestinal hemorrhage (additional info and facts about gastrointestinal hemorrhage), unexplained changes in bowel habit or suspicion of malignancy ((medicine) a malignant state; progressive and resistant to treatment and tending to cause death).
		Colonoscopies are often used to diagnose or rule out colon cancer (A malignant tumor of the colon; early symptom is bloody stools), but are also frequently used to diagnose inflammatory bowel disease (Inflammation of the colon).
		The days prior to the colonoscopy the patient is given laxative (A mild cathartic) s (e.g.
	www.absoluteastronomy.com /encyclopedia/c/co/colonoscopy.htm (576 words)

	FAQs about Colonoscopy
		Colonoscopy is used to detect precancerous colon polyps before they become malignant.
		A: In colonoscopy the large bowel is examined using a camera which is a long, thin, soft, flexible instrument called a colonoscope.
		An alternative to colonoscopy is a flexible sigmoidoscopy with a barium enema, an x-ray with contrast material that's injected through the rectum into the colon.
	www.columbiasurgery.org /divisions/colorectal/faqs_colonoscopy.html (935 words)

	Colonoscopy
		Colonoscopy is the visual examination of the large intestine (colon) using a lighted, flexible fiberoptic or video endoscope.
		Alternative tests to colonoscopy include a barium enema or other types of x-ray exams that outline the colon and allow a diagnosis to be made.
		Colonoscopy is an outpatient exam that is performed with the patient lightly sedated.
	www.gicare.com /pated/epdgs19.htm (959 words)

	ASGE :: Understanding Colonoscop (Site not responding. Last check: )
		Colonoscopy enables your doctor to examine the lining of your colon (large intestine) for abnormalities by inserting a flexible tube as thick as your finger into your anus and slowly advancing it into the rectum and colon.
		If colonoscopy is being performed to identify sites of bleeding, your doctor might control the bleeding through the colonoscope by injecting medications or by coagulation (sealing off bleeding vessels with heat treatment).
		Colonoscopy and polypectomy are generally safe when performed by doctors who have been specially trained and are experienced in these procedures.
	www.askasge.org /pages/brochures/colon.cfm (905 words)

	gihealth.com - built for patient satisfaction
		Colonoscopy is a medical term that has two parts - colono which refers to the colon, or large intestine, and scopy which means "looking into." Therefore, colonoscopy is a test that enables your doctor to look inside your colon.
		Through colonoscopy, the detection and removal of colon polyps, and thus the prevention of colon cancer, are made possible.
		Periodic colonoscopy is a valuable tool in monitoring patients with previous polyps, colon cancer, or a family history of colon cancer.
	www.gihealth.com /html/test/colonoscopy.html (2752 words)

	National Cancer Institute - Virtual Colonoscopy: Are We There Yet?
		However, optical colonoscopy is considered the gold standard by some professionals because it allows complete and direct visualization of the entire colon, thereby providing the opportunity to identify precancerous polyps and cancer, and then to do diagnostic biopsies or therapeutic removal of these lesions, all in one setting.
		Virtual colonoscopy is a new technique that uses X-rays delivered through a CT scanner to take cross-sectional views through the abdomen, and then reconstruct those views in a special way using computer software.
		Indeed, virtual colonoscopy is probably most efficient and acceptable to patients when it is accompanied by the "real-time" availability of subsequent optical colonoscopy for those with a lesion.
	www.cancer.gov /newscenter/benchmarks-vol4-issue2/page1 (2091 words)

	ACS :: Frequently Asked Questions About Colonoscopy and Sigmoidoscopy
		Colonoscopy and sigmoidoscopy are excellent screening exams for colorectal cancer (commonly referred to as “colon cancer”).
		Colonoscopy explained: A colonoscopy is an exam that allows a doctor to see and closely inspect the inside of the entire colon for signs of cancer or polyps.
		Colonoscopy is also performed in a private area; it may be done in a hospital outpatient department, a clinic, an ambulatory surgery center, or a doctor's office.
	www.cancer.org /docroot/CRI/content/CRI_2_6x_Frequent_Questions_About_Colonoscopy_and_Sigmoidoscopy.asp?sitearea= (969 words)

	Gale Encyclopedia of Medicine: Colonoscopy (Site not responding. Last check: )
		A colonoscopy is generally recommended when the patient complains of rectal bleeding or has a change in bowel habits and other unexplained abdominal symptoms.
		During the colonoscopy, the patient will be asked to lie on his/her left side with his/her knees drawn up towards the abdomen.
		Colonoscopy can be a long and uncomfortable procedure, and the bowel cleaning preparation may be tiring and can produce diarrhea and cramping.
	www.findarticles.com /p/articles/mi_g2601/is_0003/ai_2601000335 (1196 words)

	Imaginis - Researchers Investigate Virtual Colonoscopy (CT) For Detecting Colon Cancer (Site not responding. Last check: )
		Colonoscopy is often performed to check for abnormalities in the colon and rectum.
		However, both virtual colonoscopy and conventional colonoscopy require the bowel to be cleansed prior to the exam.
		Another drawback of virtual colonoscopy is that polyp removal and biopsies of tissue in the colon must be performed using conventional colonoscopy.
	www.imaginis.com /ct-scan/news/news6.27.01.asp (1129 words)

	The Cleveland Clinic: Colonoscopy: What You Need to Know
		Colonoscopy is an outpatient procedure during which your large bowel (colon and rectum) is examined from the inside.
		Colonoscopies are usually used to evaluate symptoms like abdominal pain, rectal bleeding, or changes in bowel habits.
		During the colonoscopy, if the doctor sees something that may be abnormal, small amounts of tissue can be removed for analysis (called a biopsy), and abnormal growths, or polyps, can be identified and removed.
	www.webmd.com /content/article/9/1811_50438.htm (640 words)

	ASGE: Understanding Colonoscopy(2)
		Colonoscopy enables your doctor to examine the lining of your colon (large intestine) for abnormalities by inserting a flexible tube as thick as your finger into your anus and slowly advancing it into the rectum and colon.
		If colonoscopy is being performed to identify sites of bleeding, your doctor might control the bleeding through the colonoscope by injecting medications or by coagulation (sealing off bleeding vessels with heat treatment).
		Colonoscopy and polypectomy are generally safe when performed by doctors who have been specially trained and are experienced in these procedures.
	www.asge.org /PatientInfoIndex.aspx?id=382 (922 words)

	Colon Prep
		Colonoscopy is a state of the art procedure that uses a colonoscope to examine and visualize the entire large intestine or colon.
		Colonoscopy is an important procedure used in the detection of colon cancer.
		A colonoscopy can find what is causing symptoms such as rectal bleeding or changes in bowel habits that x-ray tests cannot.
	www.colonrectalcare.com /colon_prep2.htm (1219 words)

	VIRTUAL COLONOSCOPY
		The use of virtual colonoscopy in detecting colorectal polyps and its comparison to conventional colonoscopy has been investigated in several studies. Depending on the authors and their respective background the studies and outcomes can be somewhat different. The following is a review of articles supporting virtual colonoscopy as a possible screening test for colorectal cancer.
		Virtual colonoscopy also failed to detect one 8 mm flat adenoma in the cecum, telangiectasisas and colonic lesions in a patient with portal hypertension; it also missed ulcers in the left colon in two patient’s with Crohn’s disease and signs of ulcerative proctosigmoiditis in three patients.
		If virtual colonoscopy measures to be an accurate, reliable and cost-effective method for detecting adenomas and early carcinomas, it could potentially affect the general population’s participation in screening programs and could eventually be a useful adjunct as a first-line screening technique for colorectal cancer.
	intmedweb.wfubmc.edu /grand_rounds/2001/virtualcolon.html (2270 words)

	Adult Health Advisor 2005.2: Colonoscopy (Site not responding. Last check: )
		A colonoscopy is an exam of the colon (large intestine, or bowel) with a slim, flexible, lighted tube called a colonoscope.
		Colonoscopy is the most direct and complete way to see the entire lining of the colon.
		A colonoscopy may be done in the doctor's office or in an outpatient clinic.
	www.med.umich.edu /1libr/aha/aha_colonosc_crs.htm (1011 words)

	Colonoscopy
		Colonoscopy can also be used as a screening test to identify and remove precancerous and cancerous growths in the colon or rectum (colorectal cancer).
		Colonoscopy is a more expensive procedure than a barium enema and other endoscopic colon tests (such as proctoscopy or sigmoidoscopy), but it can be done less frequently if results are normal.
		Colonoscopy may also involve greater risk and inconvenience than sigmoidoscopy, and not all colonoscopy tests allow the doctor to view the whole colon.
	www.webmd.com /hw/colorectal_cancer/hw209694.asp (2756 words)

	Colonoscopy, Atlas, Colon, Rectum. (Site not responding. Last check: )
		It is also worthy to reflect upon the fact that when the rectum cancer is near the anus, the surgery performed is one of the worst things that could happen to a person, which is to have a colostomy for all his life.
		It is “absolutely recommended”, as a way of prevention, the practice of the colonoscopy with patients in risk of developing a colon cancer, moreover in family patients that have had a tumor in first degree, or in those having diseases related to a major incidence of this type of cancer.
		The colonoscopy is not currently a bothersome technique for the patient, which does not prevent them to recognize that, some years ago, when it was practiced without sedatives, it was, indeed.
	www.murrasaca.com /colonoscopy.htm (1462 words)

	AGA \| Patient Center \| Procedures \| What is Colonoscopy?
		In this way, colonoscopy may help to avoid surgery or to better define what type of surgery may need to be done.
		Colonoscopy is a safe and effective way to evaluate problems such as blood loss, pain, and changes in bowel habits such as chronic diarrhea or abnormalities that may have first been detected by other tests.
		Colonoscopy is also an important way to check for colon cancer and to treat colon polyps - abnormal growths on the inside lining of the intestine.
	www.gastro.org /wmspage.cfm?parm1=858 (1135 words)

	ACS :: Virtual Colonoscopy Not Ready for Routine Use
		Virtual colonoscopy, a less invasive method of detecting colon cancer, may not be ready for widespread use, according to a new study that found substantial variations in its accuracy.
		Some previous studies have suggested that virtual colonoscopy is comparable to standard colonoscopy, finding more than 90% of lesions in the colon.
		Because virtual colonoscopy is less invasive than standard colonoscopy, it has been touted as having the potential to increase the persistently low levels of colon cancer screening in the US.
	www.cancer.org /docroot/NWS/content/NWS_1_1x_Virtual_Colonoscopy_Not_Ready_for_Routine_Use.asp (751 words)

	Colonoscopy
		What It Is A colonoscopy is an examination of the internal walls of the colon for inflammation, polyps (protrusions), diverticula, restrictions, cancer, and other irregularities.
		Other methods exist, such as a barium enema, but the colonoscopy is less unpleasant and gives a better view than the barium approach (and also ready access for other procedures).
		Virtual (non-invasive) colonoscopy is also an option in some cases, but it still requires an empty colon (the process of which most patients say is 90% of the unpleasantness of colonoscopy), and if polyps or other abnormalities are found a conventional colonoscopy would still be needed.
	www.rahul.net /thinker/colonoscopy.html (3270 words)

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