RSNA 2005

Nov 27, 2005

The skyline of downtown Chicago as seen from McCormick Place.

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Pulmonary nodules appear on CT regardless of smoking status
By Amerigo Allegretto
The prevalence of pulmonary nodules on CT is similar in middle-aged populations regardless of whether patients smoke or don't.
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Alzheimer’s brain pathology differs based on sex
By Will Morton
Understanding gender and sex differences is crucial to identifying effective and equitable prevention and treatment.
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Medicaid expansion improves mortality in women with breast cancer
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Expanding Medicaid under the ACA could lead to lower overall mortality among women with breast cancer, though benefits are uneven.
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By Liz Carey
MRI safety experts are investigating a fatal MRI accident. Follow along.
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How does F-18 flurpiridaz PET perform in routine clinical practice?
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A study provides real-world insights into the clinical implementation of F-18 flurpiridaz PET in a diverse group.
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Ischemia in the circumflex territory. F-18 flurpiridaz PET showed a perfusion defect in the lateral wall during pharmacological stress, which improved in rest. Myocardial blood flow (MBF) quantification showed decreased MBFstress (1.4 mL/min/g) and myocardial flow reserve (MFR) (2.2) in the circumflex (Cx) territory, with adequate flow in the left anterior descending and right coronary artery territories, MBFstress 2.6 and 2.2 mL/min/g, and MFR 3.4 and 3.1, respectively. Coronary angiography showed a 70%-99% stenosis in the Cx artery, for which percutaneous coronary intervention was performed with good result and good clinical outcome.
Should HHUS or ABUS be used for second-look breast imaging?
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Handheld ultrasound (HHUS) and automated breast ultrasound (ABUS) could be used for second-look breast imaging.
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A sample input analyzed by the AI model. The film chest x-ray was photographed with a Sony Cyber-shot 20.1 MP digital camera.
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The finding underscores the importance of accounting for motion-risk factors in scheduling, prescan counseling, and positioning.
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Breast ultrasound model achieves high predictive performance for treatment
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Previously, patients had been heavily treated with standard therapies, such as chemotherapy, immunotherapy, and radiation therapy.
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Does patient anxiety influence MRI contrast extravasation?
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In anxious patients, the MRI environment can sustain or amplify activation of the sympathetic nervous system.
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