Definition of Colonoscopy, virtualColonoscopy, virtual: See: Virtual colonoscopy. Last Editorial Review: 9/20/2012 Back to MedTerms online medical dictionary A-Z List 
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Related Diseases & Conditions
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Constipation
- Constipation is defined medically as fewer than three stools per week and severe constipation as less than one stool per week. Constipation usually is
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Hemorrhoids
- Hemorrhoid is an enlarged vein in the walls of the anus and sometimes around the rectum, usually caused by untreated constipation, but occasionally associated with
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Abdominal Pain
- Abdominal pain is pain in the belly and can be acute or chronic. Causes include inflammation, distention of an organ, and loss of the blood supply to an
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Diverticulitis (Diverticulosis, Diverticular Disease)
- Diverticulitis is a condition in which diverticuli in the colon rupture. The rupture results in infection in the tissues that surround the colon. Diverticulitis
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Rectal Bleeding (Blood in Stool, Hematochezia)
- Rectal bleeding (hematochezia) refers to the passage of bright red blood from the anus. Rectal bleeding may be moderate to severe and most bleeding comes
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Ovarian Cancer
- There are many types of ovarian cancer, epithelial carcinoma is the most common. Women with a family history of ovarian cancer have an increased risk of
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Anal Itching
- Anal itching is the irritation of the skin at the exit of the rectum, known as the anus, accompanied by the desire to scratch. Causes include everything
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Diarrhea
- Diarrhea is a change is the frequency and looseness of bowel movements. Cramping, abdominal pain, and the sensation of rectal urgency are all symptoms
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Colitis
- Inflammation of the inner lining of the colon is referred to as colitis. Symptoms of the inflammation of the colon lining include diarrhea, pain, and blood
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Colon Cancer
- Colon cancer is a malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers develop from colonic polyps. Removal of
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Crohn's Disease
- Crohn's disease is a chronic inflammatory disease, primarily involving the small and large intestine, but which can affect other parts of the digestive
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Internal Bleeding
- Internal bleeding occurs when an artery or vein is damaged and blood to escapes the circulatory system and collects inside the body. Internal bleeding
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Small Intestinal Bacterial Overgrowth
- Small intestinal bacterial overgrowth (SIBO) refers to a condition in which abnormally large numbers of bacteria (at least 100,000 bacteria per ml of fluid)
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Clostridium Difficile Colitis (Antibiotic-Associated Colitis, C. difficile colitis)
- Clostridium difficile (C. difficile) is a bacterium, and is one of the most common causes of infection of the colon. C. difficile spores
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Ulcerative Colitis
- Ulcerative colitis is a chronic inflammation of the colon. Symptoms include abdominal pain, diarrhea, and rectal bleeding. Ulcerative colitis is closely
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Colon Polyps
- Colon are common growths on the inner lining of the colon. Colon polyps may become cancerous. There are several different types of colon polyps, and the
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Irritable Bowel Syndrome (IBS)
- IBS (irritable bowel syndrome) is a common gastrointestinal disorder involving abnormal gut contractions (motility) characterized by abdominal pain, bloating,
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Aortic Stenosis
- Aortic valve stenosis is an abnormal narrowing of the aortic valve of the heart. The causes of aortic stenosis are wear and tear of the valve in the elderly,
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Indigestion (Dyspepsia, Upset Stomach)
- Dyspepsia (indigestion) is a functional disease in which the gastrointestinal organs, primarily the stomach and first part of the small intestine, function
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Inflammatory Bowel Disease (Intestinal Problems of IBD)
- The inflammatory bowel diseases (IBD) are Crohn's disease (CD) and ulcerative colitis (UC). The intestinal complications of Crohn's disease and ulcerative
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Carcinoid Syndrome and Carcinoid Tumor
- A carcinoid tumor is a tumor that develops from enterochromaffin cells. The important characteristic of carcinoid tumors that sets them apart from other
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Schistosomiasis
- Schistosomiasis (snail fever), a disease caused by parasites, causes a variety of symptoms and signs, such as cough, rash and bloody diarrhea. Praziquantel
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Microscopic Colitis (Lymphocytic Colitis and Collagenous Colitis)
- Microscopic colitis (lymphocytic colitis and collagenous colitis) is a disease of inflammation of the colon. Microscopic colitis is only visible when the
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Endocarditis
- Endocarditis, a serious infection of one of the four heart valves is caused by growth of bacteria on one of the heart valves; leading to an infected massed
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Hirschsprung's Disease
- Hirschsprung's disease (Hirschsprung), is a disease of the nerve cells of of the large intestine. The primary symptom of Hirschsprung's disease is constipation.
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Melanosis Coli
- Melanosis coli is a condition that is often associated with prolonged laxative use.
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The Digestive System
- Digestion is the complex process of turning food you eat into the energy you need to survive. The digestive process also involves creating waste to be
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Gardner's Syndrome (Familial Adenomatous Polyposis)
- Gardners' syndrome, or familial adenomatous polyposis (FAP), is an inherited condition in which cancer of the colon and rectum develop. Colon polyps and
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Bowel Incontinence
- Bowel or fecal incontinence refers to the loss of voluntary control of stool, or bowel movements. The condition can include partial incontinence, in which
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