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Doctor insights on: Colonic Diseases Colorectal Cancer

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What are the chances of a 26 year old with no family history of colon cancer and no genetic disorders having colorectal cancer or polyps?

What are the chances of a 26 year old with no family history of colon cancer and no genetic disorders having colorectal cancer or polyps?

It is possible: It is certainly possible. Some of the familial polyposis syndroms don't necessarily have to have a family history to be present. ...Read more

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Dr. Herbert Hoover
225 doctors shared insights

Colorectal Cancer (Definition)

Colorectal cancer is cancer of the colon or rectum. The cells lining the colon or rectum become abnormal and grow uncontrollably. They start as polyps. Symptoms include blood in the stool, constipation, loss of appetite, and weight loss. This cancer can be prevented through early screening, if a polyp is detected during a colonoscopy and excised. Additionally, a high fiber diet with plenty of water and a ...Read more


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Colon cancer or colorectal cancer, what's the difference?

Colon cancer or colorectal cancer, what's the difference?

Location: Cancers that arise from the epithelium of the large intestine are similar in most ways whether they are in the colon or rectum. Discussions of "colon cancer" unspecified usually mean "colorectal" unless stated otherwise. Usage, including by me, is often sloppy. ...Read more

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Are colorectal cancer and colon cancer the same thing with different locations?

Are colorectal cancer and colon cancer the same thing with different locations?

Yes and no: Both are adenocarcinomas of the 'large intestine' broadly speaking. However, due to several anatomic differences, colon and rectal cancer behave differently. For that reason the preoperative staging is different and the treatment can be different (surgery +/-chemotherapy for colon cancer, surgery +/- chemoradiation therapy for rectal cancer). The functional outcomes are different as well. ...Read more

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What can you tell me regarding rare types of colon (colorectal) cancer?

What can you tell me regarding rare types of colon (colorectal) cancer?

Sure: The most common kind of colon cancer is adenocarcinoma. There are however many more rate types of colon cancer. You can find out more about these at cancer.Gov or on the pub med website. ...Read more

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How does reducing colonic transit time with fiber prevent colorectal cancer?

How does reducing colonic transit time with fiber prevent colorectal cancer?

Less contact: The hypothesis is that one factor in colon cancer is potentially ingested carcinogens(cancer causing) that are in the food we eat. The faster the stool moves through the colon, the less time the carcinogen has in contact with any segment of the colon so it's should be less damaging. ...Read more

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Why is the colon prone to cancer in hnpcc (hereditary nonpolyposis colorectal cancer)?

Why is the colon prone to cancer in hnpcc (hereditary nonpolyposis colorectal cancer)?

Genetic mutations: HNPCC or hereditary nonpolyposis colorectal cancer is an autosomal dominant genetic condition that has a high risk of colon cancer The disease first described by Lynch and is associated with other cancers including endometrial ovary and stomach. The increased risk is due to inherited mutations that impair DNA mismatch repair. .Individuals with HNPCC have an 80% lifetime risk for colon ca. ...Read more

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For what reason colon part is usually prone to cancer in hnpcc (hereditary hereditary nonpolyposis colorectal cancer)?

For what reason colon part is usually prone to cancer in hnpcc (hereditary hereditary nonpolyposis colorectal cancer)?

Genetic disorder: Hnpcc also called lynch syndrome results from at least four type of genetic defects involving genes needed for repair of damaged dna. See this site for more info. http://ghr.nlm.nih.gov/condition/lynch-syndrome. ...Read more

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Having surgery for colorectal cancer? How much of the colon does the doctor take out? Will I have normal bowel function after?

Having surgery for colorectal cancer? How much of the colon does the doctor take out? Will I have normal bowel function after?

Depends on location: Colon cancer is usually treated with wide removal of the segment of colon involved along with the lymph nodes draining that segment. The ends of the remaining intestine are reattached with staples or sutures. Bowel function is usually altered minimally unless there is more than one cancer and the entire colon is removed and sewn to the rectum. In that case, you might have frequent bms. ...Read more

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Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


Dr. Jeffrey Stevens
1 doctor shared a insight

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more