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Title : Radiation 'therapy' kills children with brain tumors who might otherwise survive just fine
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Radiation 'therapy' kills children with brain tumors who might otherwise survive just fine

by David Gutierrez
Natural News

Children diagnosed with the most common type of pediatric brain tumor are significantly more likely to die from treatment radiation of the tumor itself, according to the first large-scale study entire cohort of long-term survival in these patients.

the study on survival rates to 20 years among children diagnosed with gliomas low grade was conducted by researchers at the Dana-Farber / Children's Cancer Boston and the Center for Blood Diseases and published in the journal Pediatric Blood & Cancer.

"We found for the first time, a once you survive your childhood with low-grade glioma, which is not likely to die from the tumor as an adult, "said lead author Peter Manley. "This is very encouraging for patients and their families. However, we also found some things we are currently doing to treat low-grade gliomas, such as radiation, increasing the rate of death later, so as a adult who will not die from the tumor, but can die from the treatment. "

the high survival rates

low-grade gliomas are a family of noncancerous tumors and usually not aggressive, including pilocytic astrocytoma, diffuse astrocytomas and mixed gliomas. Approximately 30 percent of pediatric brain tumors are low-grade gliomas. These tumors are usually treated with a combination of surgery and chemotherapy, and radiation to the developing brain has been linked to serious long-term consequences, particularly for cognitive development and the endocrine system.

Since the mid-1990s, in fact, doctors have avoided increasingly treating childhood cancers and tumors with radiation, and many hospitals (including Dana-Farber / Children Boston) have completely removed the practice.

with low-grade gliomas, in particular, researchers have long suspected that the risk of radiation treatment could outweigh the benefits. Even before the most recent study, the 5 and 10 year survival rates for low-grade gliomas is known that about 90 percent

In the new study, researchers used data from the Institute national Cancer to analyze survival rates 20 years in 4,000 people who had been diagnosed with pediatric low grade gliomas between 1973 and 2008. of those included in the study, 18 percent had received radiation treatment.

remedy worse than the disease

While 90 percent of all patients studied were still alive 20 years after treatment, only 70 percent of those who received radiation treatment were still alive at that moment. Although some other factors that affect survival rates were also found (including age at diagnosis, year of diagnosis and location, type or tumor aggressiveness), none affected the survival rate as strongly as if he had used radiation therapy.

"There is the impression that children diagnosed with more aggressive than a grade 1 tumors do poorly in the long term," Manley said. "However, we are regardless of whether the diagnosis is grade 1 or grade 2, children with low-grade gliomas still do well."

Survival rates were equally high among children they had only part of an excised tumor and those with whole tumor removed.

Based on the current study, the researchers recommend that doctors only use radiation as a treatment for low-grade gliomas as a last resort .

"We recommend treatments that are less likely to cause long-term effects and a second cancer," Manley said. "According to our analysis, radiation was the most common factor associated with differences in mortality among long-term survivors," he added. "There are multiple options available today to treat children with these tumors. We must exhaust all people before considering the use of radiation."

The study received funding from the Tumor Program Stop & Brain Shop pediatric, Andrysiak LGG Fund, the pediatric Foundation low grade astrocytoma, Friends of Cancer Institute Dana-Farber, the Nuovo-Soldati Foundation, the Philippe Foundation and the St. Baldrick's Foundation.

Sources for this article include:
http://www.dana-farber.org
http://science.naturalnews.com

"Radiation 'therapy' kills children with brain tumors who might otherwise survive just fine", article source: riseearth.com

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