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.

CT colonography best choice for regular screening for cancer

Colorectal cancer is the second leading cause of cancer deaths in most developed countries. Screening for colorectal malignancies and polyps (which frequently become cancerous) has been shown to lower the number of deaths from cancer. Most cancer societies and preventive task forces recommend regular screening for cancer of the colon.

10 Oct 2005

Colorectal cancer screening rates are too low

An intervention program designed to promote screening for colorectal cancer – and thereby decrease the number of cancers diagnosed - failed to increase screening rates in the managed care setting, a University of California - Los Angeles study has found.

10 Oct 2005

Enhanced imaging techniques could improve medical diagnosis

Chris Wyatt is a Virginia Tech electrical engineer who is attempting to provide the medical community with better, quicker, and more relevant images of the human body. The side effects are not bad either - lower medical costs, new treatments, and earlier disease detection.

19 Sep 2005

Vimentin marker detects colon cancer in 46 percent of patients

Researchers at Case Western Reserve University School of Medicine and the Ireland Cancer Center of University Hospitals of Cleveland report identifying a new DNA gene marker, vimentin, that was shown in a recent study to be three times more effective in detecting colon cancer than the standard doctor's office test that detects blood in the stool.

2 Aug 2005

Women's preference for female colonoscopists hinders colon cancer screening

In a study conducted by researchers at the Division of Gastroenterology, University of Michigan, Ann Arbor, and published in the current (August) issue of Gastrointestinal Endoscopy (GIE) by the American Society for Gastrointestinal Endoscopy (ASGE), 43% of the women who were asked their preference of a male or female endoscopist said female, while only 1.4% said male and the rest had no preference.

2 Aug 2005

Virtual colonoscopy for colon cancer

Computed tomographic colonography (CTC) depicts cancers and other clinically important conditions that would be missed with standard colonoscopy and at very little additional cost, according to a study in the August issue of Radiology.

26 Jul 2005

Nearly half of New Yorkers ages 50 and older are not undergoing screening within the recommended schedule

Half of New York City residents over 50, the age at which the American Cancer Society recommends beginning screening tests, have not received a colon cancer-screening test within the recommended time intervals, according to a new study.

25 Jul 2005

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