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  • Sneak Peek: RSNA 2017 Press Releases Focus on Depression and Mammograms

    Get a preview of some of the news stories that will be released during RSNA 2017. 

    November 20, 2017

    MRI Uncovers Brain Abnormalities in People with Depression and Anxiety
    Researchers using MRI have discovered a common pattern of structural abnormalities in the brains of people with depression and social anxiety, according to a study from Sichuan University in Chengdu, China. The researchers used MRI to assess alterations in the brain’s gray matter among 37 patients with major depressive disorder, 24 patients with social anxiety disorder and 41 healthy controls. They focused on the thickness of the cortex, which is the outer layer of the cerebrum, or principal part of the brain. Patients with depression and anxiety, relative to healthy controls, showed gray matter abnormalities in the brain’s salience and dorsal attention networks, which play a role in focus and attention. They also showed cortical thickening in the insular cortex, a brain region vital to perception and self-awareness. About 16 million Americans have major depressive disorder, while 15 million Americans have social anxiety disorder. Access the press release. >>

    Overweight Women May Need More Frequent Mammograms
    Women with a body mass index (BMI) greater than 25 face an increased risk of not detecting their breast tumor until it has become large, according to a new study from Karolinska Institutet in Sweden. They studied 2,012 cases of invasive breast cancer and looked for how disease progression was related to BMI and breast density. For cancers detected at screening, both BMI and breast density were associated with having a large tumor at diagnosis. However, for interval cancers, or cancers detected within two years of a normal mammogram, only BMI was linked with having a large tumor and worse prognosis. The researchers said that women with higher BMI may need shorter intervals between mammography screening exams. Access the press release. >>