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New Low Dose CT Protocols for Stone Detection may Hold Key to Reducing Cancer Risk from Radiation
Date:1/8/2010

Researchers from the department of radiology and urology at Loma Linda University Medical Center (LLUMC) are working to reduce the radiation exposure associated with CT imaging. A study featured on the cover of December’s Journal of Urology, may hold a key to reducing the risk of cancer from CT imaging.

Loma Linda, CA (Vocus) January 7, 2010 -- Researchers from the department of radiology and urology at Loma Linda University Medical Center (LLUMC) are working to reduce the radiation exposure associated with CT imaging. A study featured on the cover of December’s Journal of Urology, may hold a key to reducing the risk of cancer from CT imaging.

“In this paper we were able to use an experimental protocol to reduce the radiation exposure for CT imaging by 95% without decreasing the sensitivity or specificity for detection of ureteral stones,” said Dr. Forrest Jellison, a resident at LLUMC and one of the authors of the study.

Recently, evidence has mounted suggesting that the radiation associated with medical imaging may place patients at risk for malignancy and death. In an article recently published in the Archives of Internal Medicine, it was predicted that of the 72 million patients receiving a CT in the United States in 2007, approximately 29,000 would ultimately develop cancer from this radiation exposure. Half of these cancer patients could ultimately die.

“Our low dose CT study is unique in its prospective design. By using cadavers we were able to compare CT imaging at many different radiation levels in a way that would have been unethical in a patient,&
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