Featured Research

from universities, journals, and other organizations

Radiation rates for breast cancer may be underestimated, study finds

Date:
August 12, 2011
Source:
University of Michigan Health System
Summary:
More breast cancer patients than previously believed may be receiving radiation treatments after breast-conserving surgery, a new study shows.

More breast cancer patients than previously believed may be receiving radiation treatments after breast-conserving surgery, a University of Michigan Comprehensive Cancer Center study shows.

Related Articles


Researchers looked at a key database often used to assess whether cancer patients receive appropriate care and found that it may not always be adequately capturing whether breast cancer patients undergo radiation treatments.

The Surveillance Epidemiology and End Results, or SEER, registry is maintained by the National Cancer Institute and collects information on cancer incidence, prevalence and survival. Researchers use SEER data to look at patterns of cancer treatment, including disparities by race or geography.

"Researchers are increasingly using observational databases like SEER not only to document quality of care but also to try to understand things like the impact of radiation on clinical outcomes," says lead study author Reshma Jagsi, M.D., D.Phil., associate professor of radiation oncology at the U-M Medical School.

In the study, which appears online in Cancer, researchers surveyed women in two SEER markets, Detroit and Los Angeles who had been treated for breast cancer. The treatments that patients reported receiving were matched to their records in SEER. Of 1,292 patients who said they received radiation therapy, 273 were not coded that way in the SEER database -- just over 1 in 5. This was most notable in Los Angeles where about a third of the time the database did not match patient report. In Detroit, radiation was not correctly noted 11 percent of the time.

Studies based on examining SEER data have previously suggested that women are not receiving radiation therapy after breast conserving surgery as recommended. These studies found disparities in radiation use among race, age and geography. As a result, efforts have been made to ensure patients are being referred to radiation and to make radiation treatment seem less intimidating and time-intensive for patients.

The problem, Jagsi points out, is that if some of the SEER databases are not reflecting and measuring the impact of such interventions with complete accuracy, researchers cannot know if they are devoting resources to improve cancer care appropriately.

"With increased interest in comparative effectiveness research, more and more researchers are using registry databases like SEER. If the quality of the data in some of these databases has limitations, these must be understood to avoid potentially misleading conclusions that affect both clinical decision-making and policy," Jagsi says.

Breast cancer statistics: 209,060 Americans will be diagnosed with breast cancer this year and 40,230 will die from the disease, according to the American Cancer Society


Story Source:

The above story is based on materials provided by University of Michigan Health System. Note: Materials may be edited for content and length.


Journal Reference:

  1. Reshma Jagsi, Paul Abrahamse, Sarah T. Hawley, John J. Graff, Ann S. Hamilton, Steven J. Katz. Underascertainment of radiotherapy receipt in surveillance, epidemiology, and end results registry data. Cancer, 2011; DOI: 10.1002/cncr.26295

Cite This Page:

University of Michigan Health System. "Radiation rates for breast cancer may be underestimated, study finds." ScienceDaily. ScienceDaily, 12 August 2011. <www.sciencedaily.com/releases/2011/07/110705123350.htm>.
University of Michigan Health System. (2011, August 12). Radiation rates for breast cancer may be underestimated, study finds. ScienceDaily. Retrieved November 23, 2014 from www.sciencedaily.com/releases/2011/07/110705123350.htm
University of Michigan Health System. "Radiation rates for breast cancer may be underestimated, study finds." ScienceDaily. www.sciencedaily.com/releases/2011/07/110705123350.htm (accessed November 23, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Sunday, November 23, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Ebola-Hit Sierra Leone's Late Cocoa Leaves Bitter Taste

Ebola-Hit Sierra Leone's Late Cocoa Leaves Bitter Taste

AFP (Nov. 23, 2014) The arable district of Kenema in Sierra Leone -- at the centre of the Ebola outbreak in May -- has been under quarantine for three months as the cocoa harvest comes in. Duration: 01:32 Video provided by AFP
Powered by NewsLook.com
Don't Fall For Flu Shot Myths

Don't Fall For Flu Shot Myths

Newsy (Nov. 23, 2014) Misconceptions abound when it comes to your annual flu shot. Medical experts say most people older than 6 months should get the shot. Video provided by Newsy
Powered by NewsLook.com
WFP: Ebola Risks Heightened Among Women Throughout Africa

WFP: Ebola Risks Heightened Among Women Throughout Africa

AFP (Nov. 21, 2014) Having children has always been a frightening prospect in Sierra Leone, the world's most dangerous place to give birth, but Ebola has presented an alarming new threat for expectant mothers. Duration: 00:37 Video provided by AFP
Powered by NewsLook.com
Could Your Genes Be The Reason You're Single?

Could Your Genes Be The Reason You're Single?

Newsy (Nov. 21, 2014) Researchers in Beijing discovered a gene called 5-HTA1, and carriers are reportedly 20 percent more likely to be single. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins