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  • 04.26.11

    Thyroid Fears Aside, That X-Ray’s Worth It

    New York Times | Jane Brody

    “We’ve said for years that the amount of radiation from dental X-rays is not enough to cause cancer,” Dr. Wartofsky said.

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  • 04.19.11

    New Guidelines For Spotting Alzheimer’s

    Wall Street Journal | Shirley S. Wang

    The first update in nearly 30 years to U.S. guidelines for the diagnosis of Alzheimer’s disease expands the definition to include patients with earlier stage symptoms and recognizes the condition as being on a continuum rather than just end-stage dementia. People diagnosed with Alzheimer’s tend to be 65 and older, but evidence suggests that signs of the memory-robbing disease, like amyloid protein plaques and nerve cell death, may start in the brain five to 10 years before they can currently be detected. In the future, doctors hope to rely more on biomarkers, proteins and other molecules in patients’ blood and tissue that are indicators of the disease.

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  • 04.15.11

    Sharpened Focus: Improving the Numbers

    Science Daily

    The idea of probing the body’s interior with radiation stretches back to experiments with X rays in the 1800s, but more than a century later, images taken with radiological scans still are not considered reliable enough to, for example, serve as the sole indicator of the efficacy of a cancer treatment. Lisa Karam, a biochemist at the National Institute of Standards and Technology (NIST) and a few dozen of her colleagues across North America have set out to change that.

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  • 04.11.11

    MRI May Help with Early Detection of Alzheimer’s

    Diagnostic Imaging

    MRI could help detect Alzheimer’s disease at an early stage — before irreversible damage has been done, according to the second recent study to examine MRI use for Alzheimer’s. For this study, published online and in the June edition of Radiology, researchers looked at elderly people with normal cognitive ability to see if automated brain volume measurements on MRI could predict future memory decline.

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  • 04.8.11

    Functional MRI Shows Impact of Parkinson’s Treatment

    AuntMinnie | Wayne Forrest

    Researchers at the University of Michigan are taking a new approach to measuring brain activity in patients with Parkinson’s disease by using functional MRI (fMRI) to image patients at rest. The technique deviates from previous studies, which invasively explored brain activity in Parkinson’s patients while they were doing certain tasks, rather than resting. Those results helped researchers determine whether or not patients were able to activate task-related areas of their brains or if they were using other compensatory methods to accomplish a task.

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  • 03.31.11

    Study Finds CTC Screening’s Benefits Outweigh Radiation Risks

    AuntMinnie | Eric Barnes

    The benefits of colon cancer screening with virtual colonoscopy far outweigh the risk of radiation-induced cancers, even when the exam is repeated every five years between the ages of 50 and 80, concludes a new study in the April issue of the American Journal of Roentgenology.

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  • 03.29.11

    Benefits of Radiation Therapy Outweigh Risks of a Second Cancer: Study

    HealthDay News | Steve Reinberg

    The odds a second cancer will develop after radiation treatment for a first cancer are relatively low, U.S. National Cancer Institute researchers report. In a long-term study of more than 600,000 cancer survivors, an estimated 8 percent of second cancers were attributable to radiation treatment for the original cancer, according to the study.

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  • 03.29.11

    Virtual Colonoscopy Payments Climb Slowly

    AuntMinnie | Marty Graham

    These days, virtual colonoscopy is more likely than ever to be reimbursed. But insurers are still more likely to pay for the procedure as a diagnostic tool after failed optical colonoscopy, or for examining frail and at-risk patients, than for screening asymptomatic adults, according to Dr. Abraham Dachman.

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  • 03.22.11

    Mammogram: Heart Predictor?

    Wall Street Journal | Ann Lukits

    A routine mammogram checking for breast cancer may predict the future development of heart disease, according to a study in Obstetrics & Gynecology. Fine, granular deposits along the circumference of breast arteries, called breast arterial calcifications, are visible on 3% to 29% of breast scans and are frequently seen in women with heart disease.

    » Read The Article
  • 03.21.11

    D.C. Residents Urged to Take Advantage of Cancer Screening Program

    Washington Post | Avis Thomas-Lester

    Nearly 30 percent of D.C. residents who received a colon cancer screening during a six-month study were found to have a precancerous lesion, a rate higher than the national average. Yet only a few residents took advantage of the free screening, prompting physicians to step up promotion of the program.

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