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Stopgap DNA repair needs a second step

One can have a dream, two can make that dream so real, goes a popular song. Now a Weizmann Institute study has revealed that it takes two to perform an essential form of DNA repair.

Study examines radiation dose estimates for pregnant women undergoing therapeutic ERCP

OAK BROOK, Ill. - April 28, 2009 - Pregnant women with gallstone disease may require immediate endoscopic intervention because of potentially life-threatening cholangitis (infection in the bile ducts) or gallstone pancreatitis (inflammation of the pancreas).

Joining forces to improve lung cancer treatment

Lugano, 27 April 2009 - Prevention, personalized therapies and closer collaborations between surgeons, medical oncologists and radiation oncologists will result in better outcomes for lung cancer patients and those at risk, a leading European expert says.

Certain ecologic factors associated with greater risk of bladder cancer

LINTHICUM, MD, April 26, 2009-Persons drinking well water (as opposed to public supply) may be at an increased risk of bladder cancer, according to new research from the University of Alabama at Birmingham.

64-slice CT: Most dose efficient for evaluating pregnant patients with possible pulmonary emboli

The 64-slice CT scanner delivers the most efficient radiation dose to pregnant patients with possible pulmonary emboli (PE) providing less risk to the fetus, according to a study performed at SUNY Stony Brook University Medical Center in Stony Brook, NY.

Educating referring clinicians about advanced imaging leads to drop in imaging exams

Unnecessary advanced imaging (CT, MRI and nuclear medicine) can be significantly reduced by providing a simple intervention of education to ordering physicians of the risks, benefits and alternatives of various imaging modalities, according to a study performed at Staten Island University Hospital in Staten Island, NY.

MRI: Imaging technique of choice to exam pregnant patients with possible appendicitis

Magnetic Resonance Imaging (MRI) gives physicians a safe and accurate tool for the diagnosis of appendicitis in pregnant patients without the increased risks of radiation to the patient and fetus, according to a study performed at the University of Virginia, in Charlottesville, VA.

MR enterography eliminates unnecessary radiation exposure in patients with small bowel disease

MR enterography is an effective tool to evaluate and guide treatment of patients with Crohn's Disease (a common form of inflammatory bowel disease that typically affects young people) without exposing them to radiation, according to a study performed at the Warren Alpert School of Medicine/Brown University in Providence, RI.

Majority of ordering physicians lack knowledge of radiation exposure risks from CT

Ordering physicians have limited knowledge of CT-related radiation exposure and its associated risks, according to a study performed at the Carilion Clinic in Roanoke, VA.

Educating physicians about ventilation-perfusion scanning leads to reduced radiation exposure

Educating physicians about ventilation-perfusion scanning (VQ) as an alternative to CT for the diagnosis of pulmonary embolisms led to a 23% decrease in patient exposure, according to a study performed at Albert Einstein College of Medicine, Montefiore Medical Center in Bronx, NY. "VQ scanning is a nuclear test which shows blood flow to the lung and airflow.

Pediatric patient body shape may play a key role in decreasing radiation dose during CT scans

Manipulation of kVp (kilovoltage peak) and mAs (tube current flow) according to a patient's body shape may help reduce radiation doses in pediatric patients during CT, according to a study performed at the Cleveland Clinic Children's Hospital in Cleveland, OH.

Excluding the lateral view in chest radiograph screenings decreases radiation exposure by 67 percent

For the patient with a positive PPD test, which usually indicates prior exposure to tuberculosis, the guidelines recommend a chest x-ray that typically includes a frontal and lateral view. The lateral view, which accounts for 2/3 of the total radiation dose during screening, is not necessary, according to a study performed at the Beth Israel Deaconess Medical Center in Boston, MA.

Hypofractionated stereotactic radiotherapy beneficial for recurrent low-grade glioma

(PHILADELPHIA) Hypofractionated stereotactic radiotherapy was well-tolerated and improved symptoms in patients with recurrent low-grade glioma, according to researchers from the Kimmel Cancer Cente

Study: Lizards bask for more than warmth

Keeping warm isn't the only reason lizards and other cold-blooded critters bask in the sun. According to a study published in the May/June issue of Physiological and Biochemical Zoology, chameleons alter their sunbathing behavior based on their need for vitamin D.

Acupuncture eases radiation-induced dry mouth in cancer patients

HOUSTON -- Twice weekly acupuncture treatments relieve debilitating symptoms of xerostomia - severe dry mouth - among patients treated with radiation for head and neck cancer, researchers from The University of Texas M. D. Anderson Cancer Center report in the current online issue of Head & Neck.



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