June 8, 2012

But Not Scanning May Be Riskier

1 Multiple CT Scans Raise Cancer Risk in Kids

An analysis by Britain's Newcastle University of the medical records of nearly 180,000 patients under age 21 who had undergone CT scans between 1985 and 2002 found that multiple scans could triple the patient’s risk of developing leukemia or brain tumors. But the study authors and other medical experts caution that these diseases are extremely rare in real numbers -- the increased risk works out to just one additional case of each disease out of 10,000 CT patients under age 10 -- and the benefits are generally greater than the risks. The procedure, which uses X-rays to scan for post-accident internal injuries and lung disease detection, is advised for children because it requires no anesthesia. One note: Britain has stricter CT rules and uses lower radiation levels than the US.

More at Bbc.co.uk | Posted 5 years ago by Robert S. Wieder

Previously: IVF Kids Have Slightly Increased Cancer Risk.

Tags: Childhood Cancer, Pediatric Cancer, Cancer in Children, Children and CT Scans, CT Scans and Cancer, Childhood Leukemia, Childhood Brain Tumors

Comment on This | Was this Interesting? Yes! (58%) / No! (42%)

And the Survey Says...

2 High Schoolers Favor Marijuana to Cigarettes

Marijuana use among high school students may now be more prevalent than cigarette use, suggests the CDC's 2011 National Youth Risk Behavior Survey (YRBS). According to the findings of the YRBS, marijuana use during the previous 30 days decreased from 27 percent in 1999 to 23 percent in 2011. However, that number also means that more teens are using marijuana than smoking cigarettes. Usage of cigarettes in the past 30 days was at 18 percent. The survey also showed that one of every three students had texted or e-mailed while operating a car or other motor vehicle within the past 30 days. Let's hope high school students aren't texting, smoking marijuana and driving.

More at CDC | Posted 5 years ago by Peggy Rowland

Previously: Frequent Marijuana Use Spikes among US Teens

Tags: Marijuana Use among Smokers, Marijuana Use Teens, How Many Teens Smoke, Youth Risk Behavior Surveillance System, National Youth Risk Behavior Survey

Comment on This | Was this Interesting? Yes! (58%) / No! (42%)

How Will This Test Be Used?

3 CTCs Tied to Breast Cancer Relapse, Survival

Detecting circulating tumor cells (CTCs) in women with early stage breast cancer might be able to predict the odds of dying or relapsing, according to results from a study in which blood was taken from 302 women who were diagnosed with the disease over five years at The University of Texas' MD Anderson Cancer Center. Researchers saw a direct correlation with the presence of CTCs and death rates; seven percent of those with CTCs in their blood relapsed compared to three percent with no CTCs detected. The death rate during the study was 10 percent of women with CTCs but only two percent in those who did not have CTCs. Higher CTCs levels were strongly tied to recurrence and survival. What this means for treatment and when CTCs should be measured are questions that have yet to be answered.

More at Yahoo! AFP | Posted 5 years ago by Kristie Hayes

Previously: Blood Test for Early Detection of Breast Cancer

Tags: Breast Cancer, Breast Cancer Relapse, Breast Cancer Screening, Circulating Tumor Cells, University of Texas' MD Anderson Cancer Center

Comment on This | Was this Interesting? Yes! (46%) / No! (54%)

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