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.

Colonoscopy fears overcome when patients support patients

Patients who have had a colonoscopy can play a life-saving role by encouraging other patients to follow through with their own colorectal cancer screenings, according to new research from the University of Pennsylvania School of Medicine.

8 Jan 2008

Colon cancer screenings may bring little benefit and may actually pose harm

Even though current guidelines advocate colorectal cancer screenings for those with severe illnesses, they may bring little benefit and may actually pose harm, according to a recent study by Yale School of Medicine researchers published in the Archives of Internal Medicine.

20 Dec 2007

Reasons for low colorectal cancer screening rates

Two recently released studies confirm an alarming reality, that a majority of Americans who should be getting screened for colorectal cancer are not.

18 Dec 2007

Only half of all Americans age 50 and over have had a colonoscopy

Only half of all Americans age 50 and over have had a colonoscopy, one of several common screening tests for colon cancer, according to the latest News and Numbers from the Agency for Healthcare Research and Quality.

17 Dec 2007

What's needed to protect the heart during such operations?

It's too bad that ticker trouble doesn't guarantee good health elsewhere in the body. Most people with heart disease have other ailments, including some that require surgery.

27 Nov 2007

Narrow band imaging colonoscopy identifies flat dysplastic lesions in ulcerative colitis patients

A pilot study from researchers at Kyushu University in Fukuoka, Japan, found that narrow band imaging (NBI) colonoscopy used in cancer surveillance for ulcerative colitis patients can identify flat dysplastic lesions.

19 Nov 2007

CT colonography used in elderly patients detects a high number of abnormalities outside the colon

CT colonography (CTC), when used in elderly patients, can detect a high number of new and significant abnormalities outside the colon (including cirrhosis and tumors) and is well tolerated, according to a recent study conducted by researchers at St. James's University Hospital in Leeds, United Kingdom (UK).

16 Nov 2007

Medical causes of iatrogenic renal disorders

Nephrologists and other health care providers need to be aware of certain medications and diagnostic test preparations that, in some patients, can cause damage to the kidneys, according to a special clinical update being presented at the American Society of Nephrology's 40th Annual Meeting and Scientific Exposition in San Francisco.

5 Nov 2007

Food fortification with folic acid linked to increased cancer rate

Two recent commentaries appearing in the November issue of Nutrition Reviews find that the introduction of flour fortified with folic acid into common foods was followed by an increase in colon cancer diagnoses in the U.S. and Canada.

5 Nov 2007

Minority patients prefer optical colonoscopy for colorectal cancer screening

The clinical importance of colorectal cancer screening is well established, however the majority of eligible people do not undergo screening tests.

2 Nov 2007

Increased glucose level is a strong risk factor for colorectal cancer

Diabetes is a very common illness that affects more than 20 million people in the U.S. and it is estimated an additional 54 million Americans have pre-diabetes, a condition that occurs when a person's blood glucose levels are higher than normal but not high enough for a diagnosis of type 2 diabetes.

2 Nov 2007

Timing repeat colonoscopy: disparity between guidelines and endoscopists' recommendations

Colonoscopies are important screening tools to find colon cancers, but a recent study implies that endoscopists suggest repeat tests more often than practice guidelines recommend.

31 Oct 2007

Knowing risk can determine what kind of colon cancer screening is best

While colonoscopy has become widely used for colorectal cancer screening, nearly two-thirds of screening colonoscopies show no cancer or pre-cancerous polyps.

29 Oct 2007

First colonoscopy a real lifesaver

The scientists from Memorial Sloan-Kettering Cancer Center's department of epidemiology and biostatistics in New York City, say this first clean out of precancerous polyps significantly reduces deaths from colon cancer even if there are no follow-up examinations.

17 Oct 2007

African-Americans have a high overall incidence of colorectal cancer - study emphasizes importance of screening

New research presented at the 72nd Annual Scientific Meeting of the American College of Gastroenterology emphasizes the importance of colorectal cancer (CRC) screening among racial and ethnic minorities, who have a higher incidence of colorectal cancer compared to Caucasians.

16 Oct 2007

Obesity strongest risk factor for colorectal cancer in women

Research presented at the 72nd Annual Scientific Meeting of the American College of Gastroenterology found that obesity, among other important risk factors, was the strongest risk factor for colorectal cancer in women.

16 Oct 2007

Mesalamine linked to cancer protection for high risk inflammatory bowel disease patients

Researchers found that mesalamine use among patients with inflammatory bowel disease was associated with a decrease in incidence of colorectal cancer when comparing cases and controls.

16 Oct 2007

First colonoscopy with removal of polyps linked to reduction in colon cancer death

Using a model to predict reductions in death from colorectal cancer, epidemiologists and clinical researchers from Memorial Sloan-Kettering looked at the relative effect of an initial screening colonoscopy which clears pre-cancerous polyps from the colon versus surveillance follow-up colonoscopy.

16 Oct 2007

Colorectal cancer screening improves survival in seniors

As people get older, their risk of developing polyps and colorectal cancer increases. Currently, there is no clear evidence or established guideline for the upper age limit for colorectal cancer screening by colonoscopy.

16 Oct 2007

Capsule endoscopy finds undiagnosed Crohn's disease

A small capsule that takes "snapshots" of the small intestine as it moves through the digestive tract helped doctors spot cases of Crohn's disease that had gone undiagnosed for up to 15 years, according to researchers at Wake Forest University Baptist Medical Center.

16 Oct 2007