HOME >> MEDICINE >> NEWS
Radiation exposure during virtual colonoscopy doesn't significantly raise cancer risks

Bethesda, Maryland (July 1, 2005) The risk of developing cancer as a result of being exposed to X-rays during computed tomography colonography (also known as "virtual colonoscopy" or CT colonography) is considerably less than 1 percent, according to an article published today in the American Gastroenterological Association (AGA) journal Gastroenterology. Researchers say the radiation risk can be further reduced by creating optimized protocols for performing this screening test.

"It's good news that the radiation risk is low with CT colonography, but many practical issues need to be addressed before the test can be recommended to patients for routine colorectal cancer screening," said AGA President David A. Peura, MD. "Evaluating issues of standardization and accuracy of test results and addressing disparities in consistent and uniform training of professionals performing the test should be the focus of future studies. In addition, the procedure still requires a great amount of bowel preparation and causes discomfort--both issues largely affect the current state of patient compliance in colorectal cancer screening."

Researchers from the Center for Radiological Research at Columbia University Medical Center estimated the radiation dose to different organs from adult CT colonography scans. Dose-, organ- and gender-specific excess relative risks for cancer incidence in Japanese A-bomb survivors were used as a basis to generate risk estimates for the U.S. population. This study found the estimated lifetime risk of cancer as a result of radiation from CT colonography in a 50-year-old subject is about 0.14 percent and 0.022 percent for a 70-year-old patient. The main organs found to be at risk for cancer are the colon, stomach and bladder.

"Our study shows that radiation risks associated with virtual colonoscopy are relatively small--much smaller, for example, than for CT-based lung cancer screening," said David J. Brenner, PhD, lead st
'"/>

Contact: Kimberly Wise
media@gastro.org
301-941-2620
American Gastroenterological Association
1-Jul-2005


Page: 1 2 3

Related medicine news :

1. Radiation therapy reduces cancer recurrence in older breast cancer patients
2. Radiation therapy combo cures prostate cancer long-term
3. Radiation-killed bacteria vaccine induces broad immune response in mice
4. Radiation-armed robot rapidly destroys human lung tumors
5. Radiation therapy shown to increase survival in certain lung cancer patients
6. Radiation better than surgery at preserving speech for patients with head and neck cancer
7. Radiation treatment prolonged liver cancer patients lives, U-M study finds
8. Radiation therapy can help spare vision in patients with melanoma of the eye
9. Radiation, chemotherapy before surgery controls rectal cancer
10. Radiation and hormone therapy after surgery cures breast cancer
11. Radiation after prostate cancer surgery increases survival

Post Your Comments:
(Date:2/27/2015)... With Spring’s wet weather on the way, it ... crawl spaces in mind. The latest article from ... regarding crawl space conditions and repairs. , Clean Crawls ... are confused as to how water is getting into their ... common ways is through cracks in the foundation, walls, ceiling, ...
(Date:2/27/2015)... Las Vegas, NV (PRWEB) February 27, 2015 ... helping bring health and wellness to Americans nationwide. Each month ... different aspects of health and wellness, and healthy living. In ... Awareness Week. National Sleep Awareness Week starts by ... of Daylight Savings. This year Sleep Awareness Week will start ...
(Date:2/27/2015)... If there is one thing that drives parents into a ... at their child’s school. While head lice are not particularly ... of a nightmare for many parents as they see the ... their child’s classroom. Just when they think the problem is ... Local lice removal company, Lice Troopers , reports that ...
(Date:2/27/2015)... County, CO (PRWEB) February 27, 2015 Philanthropy ... Kevin and Amy Smits help to restore that ... for the last six years, this husband/wife Realtor team gives ... the charities have remained the same while others have been ... of Assault provides a safe haven and counseling for ...
(Date:2/27/2015)... The report analyzes the primary growth factors, market ... market. It also assesses key players in the industry, ... , Celiac disease is an autoimmune disease that occurs ... disease often has a genetic predisposition. According to analysts, ... celiac disease across the globe. When gluten, a protein ...
Breaking Medicine News(10 mins):Health News:Crawl Space FAQs are Answered in Clean Crawls Latest Article 2Health News:Emassagechair Wants Shoppers to Think About the Benefits of Massage During National Sleep Awareness Week 2Health News:Emassagechair Wants Shoppers to Think About the Benefits of Massage During National Sleep Awareness Week 3Health News:Anxiety over head lice among Miami parents as surge in head lice cases reported by local lice removal company Lice Troopers 2Health News:Mr. And Mrs. Smits Proves That Altruism Works All Year Round 2Health News:Global Celiac Disease Market Counts on Drug Launch for Growth 2Health News:Global Celiac Disease Market Counts on Drug Launch for Growth 3
(Date:2/26/2015)... , Feb. 26, 2015  Today the National ... The psychological and physical side effects of pain medications ... painkillers, such as Vicodin and Oxycontin, are safer options ... overdose on prescription painkillers than on heroin and cocaine ... CEO of NSC. "Yet, these medications are marketed as ...
(Date:2/26/2015)... Every year many millions of donations are ... Nevertheless, year after year doctors and the medical profession ... test to determine the status of heart health in ... even though that technology is over 100 years old, ... know, (while most patients do not know) that EKG,s, ...
(Date:2/26/2015)... 2015  Spring Bank Pharmaceuticals, Inc., a clinical-stage ... of virus infections, today announced that Jonathan ... President of Finance, a newly created role.  Mr. ... activities, including financial planning and reporting, accounting and ... Jensen , President and CEO. ...
Breaking Medicine Technology:National Safety Council: Opioid prescription painkillers have hidden, deadly side effects 2National Heart Health Month In February 2Jonathan P. Freve, CPA, Joins Spring Bank Pharmaceuticals as Vice President of Finance 2
Cached News: