Colorectal Cancer

Genetics of cancer: Non-coding DNA can finally be decoded

Cancer is a disease of the genome resulting from a combination of genetic modifications (or mutations). We inherit from our parents strong or weak predispositions to developing certain kinds of cancer; in addition, we also ...

Jul 23, 2014
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Gut microbes turn carbs into colorectal cancer

Colorectal cancer has been linked to carbohydrate-rich western diets, but the underlying mechanisms have been unclear. A study published by Cell Press July 17th in the journal Cell shows that gut microbes metabolize carboh ...

Jul 17, 2014
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Cancer risk: Aspirin and smoking affect aging of genes

The risk of developing cancer increases with age. Factors like smoking and regular aspirin use also affect the risk of cancer – although in the opposite sense. Researchers from the University of Basel were ...

Jul 01, 2014
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Caring for the burgeoning population of older adults

"She walked into the hospital and came home in a wheelchair," says her son, Stephen Aitel. Hellen Aitel's condition deteriorated further after a stint in a rehabilitation center, but she was determined to ...

Jun 30, 2014
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Colorectal cancer, commonly known as bowel cancer, is a cancer from uncontrolled cell growth in the colon, rectum, or appendix. Symptoms typically include rectal bleeding and anemia which are sometimes associated with weight loss and changes in bowel habits.

Most colorectal cancer occurs due to lifestyle and increasing age with only a minority of cases associated with underlying genetic disorders. It typically starts in the lining of the bowel and if left untreated, can grow into the muscle layers underneath, and then through the bowel wall. Screening is effective at decreasing the chance of dying from colorectal cancer and is recommended starting at the age of 50 and continuing until a person is 75 years old. Localized bowel cancer is usually diagnosed through sigmoidoscopy or colonoscopy.

Cancers that are confined within the wall of the colon are often curable with surgery while cancer that has spread widely around the body is usually not curable and management then focuses on extending the person's life via chemotherapy and improving quality of life. Colorectal cancer is the fourth most commonly diagnosed cancer in the world, but it is more common in developed countries. Around 60% of cases were diagnosed in the developed world. It is estimated that worldwide, in 2008, 1.23 million new cases of colorectal cancer were clinically diagnosed, and that it killed 608,000 people.

This text uses material from Wikipedia licensed under CC BY-SA

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