Colonoscopy News and Research

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Colonoscopy is examination of the inside of the colon using a colonoscope, inserted into the rectum. A colonoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease.

Sigmoidoscopy comes up short for women in detection of polyps in the colon

A new multi-center study has reaffirmed the difference between the sexes – at least when it comes to colorectal cancer detection and prevention.

20 May 2005

Colon cancer missed in simple screening test

A new U.S. study has revealed that a commonly used screening tool for colon cancer, sigmoidoscopy, does not pick up precancerous growths in almost two-thirds of women and the failure rate is twice as high as in men.

18 May 2005

Statin chemoprevention with minimal surveillance could prevent 96 percent of colon cancers

Ulcerative colitis affects about one out of every 2,000 Americans, and after living with the disease for 30 years, nearly 22 percent of those people will develop colon cancer.

16 May 2005

Accuracy of CT colonography is excellent in comparison with conventional colonoscopy for colorectal cancer screening

The diagnostic accuracy of CT colonography is excellent in comparison with conventional colonoscopy for colorectal cancer screening, an analysis of previous studies shows.

16 May 2005

Study examines influence of celebrity endorsements of cancer screening

More than one-half of adults surveyed nationwide had seen or heard celebrity endorsements of cancer screening tests, and more than one-fourth of those who had seen or heard an endorsement reported that it made them more likely to undergo the promoted screening test, according to a new study in the May 4 issue of the Journal of the National Cancer Institute.

3 May 2005

“Virtual Colonoscopy” effective in finding most polyps but may miss small ones

A type of noninvasive “virtual colonoscopy” can diagnose medium to large polyps as well as traditional colorectal probes can, but it may miss some smaller yet potentially cancerous growths, according to a new review of studies.

21 Apr 2005

Technology helps Stanford shed new light on coronary bypass surgery

On March 31, Joel Dyels celebrated his 72nd birthday by having coronary bypass surgery at Stanford Hospital. He also became the third patient at Stanford - and in the United States - to benefit from a new imaging system that lets doctors see the blood pathways they have created while the patient's chest is still open.

12 Apr 2005

Men who are treated for prostate cancer with radiation may have almost doubled their risk of developing rectal cancer

A study in the American Gastroenterological Association (AGA) journal Gastroenterology has found that men who are treated for prostate cancer with radiation may have almost doubled their risk of developing rectal cancer when compared to men who opted to have surgery.

4 Apr 2005

Radiation for prostate cancer doubles the risk of developing rectal cancer

Men who undergo radiation for prostate cancer have nearly double the risk of developing rectal cancer when compared to men who opt to have surgery to treat prostate cancer, according to a study published today in the American Gastroenterological Association (AGA) journal Gastroenterology.

3 Apr 2005

Prostate screenings could be used to encourage colon checks

Colon cancer is the third leading cause of cancer death in men, but according to a new University of Michigan Health System study, fewer than half of men surveyed were up-to-date with colon cancer screenings.

3 Mar 2005

Men are more likely than women to take up invitations for bowel screening

The report found that men were less likely than women to worry about embarrassment or discomfort associated with this method. The screening test, called Flexible Sigmoidoscopy (FS), involves inserting a long thin tube fitted with a camera into the lower part of the bowel.

28 Feb 2005

Smple, painless test screens for early-stage colorectal cancer

Colorectal cancer is currently one of the deadliest forms of cancer -- but also one of the most treatable ... if caught early. There are diagnostic tests on the market today but they typically require extensive patient preparation and invasive procedures -- and often deliver inconclusive results.

22 Feb 2005

Study links meat consumption to colon cancer

A major American Cancer Society study finds people who reported the highest consumption of red and processed meat had a significantly higher risk of colorectal cancer than those who reported the least consumption.

12 Jan 2005

DNA stool testing is more effective in detecting colon cancer than a widely used stool test

A study in the current issue of the New England Journal of Medicine concludes that DNA stool testing is more effective in detecting colon cancer than a widely used stool test, but a Virginia Commonwealth University family medicine and public health physician argues in the same issue that its superiority is still in doubt.

22 Dec 2004

Virtual colonoscopy raises issues for further study

The American Society for Gastrointestinal Endoscopy (ASGE) has reacted with caution to claims of the benefits of computed tomography (CT) colonography, also referred to as virtual colonoscopy, compared to standard colonoscopy.

29 Nov 2004

Genetic mutations could collectively raise bowel cancer risk

Cancer Research UK scientists at the University of Oxford have found that a number of genetic mutations could collectively raise bowel cancer risk, reporting their findings in the journal PNAS.

4 Nov 2004

Obese women at greater risk of colorectal cancer

New study findings show a high body mass index (BMI) among women is a more significant risk factor for colorectal neoplasia than for men.

1 Nov 2004

Smokers face a significant risk of developing colon polyps

Smokers can add pre-cancerous growths in the colon to the host of increased health risks they face, according to two studies presented at the 69th Annual Scientific Meeting of the American College of Gastroenterology.

1 Nov 2004

Aspirin might well be considered the top utility player in the medicine cabinet

This cheap over-the-counter drug can be used not only for fever, pain and arthritis, but to prevent heart attack, stroke or angina. It also may reduce the risk of colorectal cancer. Yet aspirin also has side effects worth considering, and its very accessibility may hamper its use.

8 Oct 2004

Even health conscious Americans report low rates of endoscopic screening for colorectal cancer

The study found just over half (54 percent) of men and women reported having ever undergone endoscopy (sigmoidoscopy or colonoscopy). The percentage that underwent either procedure in the past five years for screening rather than for disease diagnosis or follow up was just 24 percent.

30 Sep 2004