
Sigmoidoscopy is a procedure in which a doctor looks in your large intestine using a long, flexible fiberoptic camera. This is a common test for cancers and other diseases of the colon.
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Colon Cancer
The human colon is a muscular, tube-shaped organ measuring about 4 feet long. It extends from the end of your small bowel to your anus. Most colon cancers start as adenomatous polyps that turn into adenocarcinomas. Colon cancer (bowel cancer) is typically diagnosed through a colonoscopy or other type of endoscopic procedures. Treatment methods include surgery, radiation, and chemotherapy. -
Colonoscopy
Colonoscopy is a procedure used to view the inside of the colon. Reasons for colonoscopy is to detect or diagnose diseases of the colon, for example, Crohn’s disease, ulcerative colitis, other types of colitis, colon polyps, colon cancer, diverticulitis, and other bowel and rectal diseases. Risks for colonoscopy include colon perforation, infection, or bleeding. -
Diverticulosis and Diverticulitis
Diverticulitis is an inflammation of the diverticula in the colon. This conditions is referred to as diverticulosis. Causes of diverticulosis (diverticulitis) include aging, a low fiber diet, frequent constipation and bowel straining. Symptoms of diverticulitis include abdominal pain, bloating, constipation, and cramping. Treatment generally requires a high fiber diet and frequent liquid hydration to prevent constipation. If complications occur with the disease or it becomes severe, surgery may be necessary. -
Gastrointestinal Endoscopy
With the procedure known as gastrointestinal endoscopy, a doctor is able to see the inside lining of your digestive tract. This examination is performed using an endoscope -- a flexible fiberoptic tube, usually with the patient under sedation. -
Endoscopy in Crohn Disease
Crohn's disease can be diagnosed by a variety of procedures and tests such as endoscopy. There are several different names for endoscopy, and it depends on what part of the digestive tract being examined. Types of endoscopy include esophagogastroduodenoscopy (EGD), colonoscopy, sigmoidoscopy, Endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound, and balloon endoscopy, or enteroscopy. Preparation for endoscopy depends on the type of test being performed. Signs and symptoms of diarrhea, weight loss, fever, anemia, decrease in appetite, nausea, and abdominal pain and cramping. -
Foreign Body, Rectum
The majority of foreign bodies (objects) placed in the rectum have been placed through the anus. Examples of foreign objects in the rectum include bottles, candles, fruits, vegetables, and sex toys. If a person knows they have, or thinks they have a foreign body in the rectum, they should seek medical care. The object may be easily removed by a health care professional; however, in some cases surgery is necessary to remove the object. -
Rectal Bleeding
Rectal bleeding can be mild or seriouis, evern life-threatening. Causes of rectal bleeding include trauma, inflammation of the bowel, hemorrhoids, anal fissures, polyps, and tumors. Treatment of rectal bleeding depends on the cause and may include medication or surgery. -
Rectal Cancer
The rectum is the lower part of the colon that connects the large bowel to the anus. The rectum's primary function is to store formed stool in preparation for evacuation. Rectal cancer symptoms and signs include bleeding, bowel obstruction, weight loss, change in bowel habits, constipation, narrow stools, and pain during bowel movements. Treatment may involve surgery, chemotherapy, and radiation. -
Ulcerative Colitis
Ulcerative colitis (UC) is an acute or chronic inflammation of the membranes that line the colon. Symptoms of UC include abdominal pain, diarrhea, rectal bleeding, urgency for a bowel movement, fever, fatigue, and lack of appetite. Treatment for UC include medication and lifestyle changes. On occasion, surgery may be a necessary treatment for ulcerative colitis.
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Rectal Cancer The rectum is the lower part of the colon that connects the large bowel to the anus. The rectum's primary function is to store formed stool in preparation for evacuation. Rectal cancer symptoms and signs include bleeding, bowel obstruction, weight loss, change in bowel habits, constipation, narrow stools, and pain during bowel movements. Treatment may involve surgery, chemotherapy, and radiation.
Sigmoidoscopy Topic Guide - Visuals
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