The 3 Rs: Radiology, Ropes, and Risks

Dec 5th, 2014Dec 31st, 1969
Dallas, TX
US
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Adversarial decomposition learning (ADL) enables intuitive, longitudinal visualization of disease progression and treatment response, supporting clinician–artificial intelligence collaboration. (A) Images in a 48-year-old female patient who presented with mild cognitive impairment. The ADL probability maps highlighted occipital-temporal amyloid β (Aβ) spread and focal left-temporal tau pathologic abnormalities. An area of increased occipital AV45 uptake is shown (arrowhead). (B) Images in a 51-year-old male who presented with memory decline. For each image grid, the left side is the decoupler-output AD pathologic probability map, the upper right side is the original Aβ/tau PET image, and the lower right side is the image after AD component removal by the decoupler.
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Representative T2-weighted (T2w) images, apparent diffusion coefficient (ADC) maps, and MR fingerprinting (MRF)-derived T1 and T2 maps obtained from three participants with different histologic types of prostatic lesions. Lesions are circled with dashed lines. Mean values with standard deviations for ADC, T1, and T2 are shown at the bottom of the images. PCa = prostate cancer.
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MRI-guided brain stimulation improves PTSD recovery in veterans
By Kate Madden Yee
A study suggests that navigated transcranial magnetic stimulation can be a helpful addition to behavioral therapy for PTSD.
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New method decouples Alzheimer's disease pathology at PET
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AI-derived scoring tool shows independent associations, according to researchers.
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Adversarial decomposition learning (ADL) enables intuitive, longitudinal visualization of disease progression and treatment response, supporting clinician–artificial intelligence collaboration. (A) Images in a 48-year-old female patient who presented with mild cognitive impairment. The ADL probability maps highlighted occipital-temporal amyloid β (Aβ) spread and focal left-temporal tau pathologic abnormalities. An area of increased occipital AV45 uptake is shown (arrowhead). (B) Images in a 51-year-old male who presented with memory decline. For each image grid, the left side is the decoupler-output AD pathologic probability map, the upper right side is the original Aβ/tau PET image, and the lower right side is the image after AD component removal by the decoupler.
AI estimates children’s bone density on chest x-rays
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A study highlights the potential of an AI model as a tool for opportunistic bone health screening in children at risk for skeletal deficits.
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Representative example of a 16-year-old male patient with underlying X-linked adrenoleukodystrophy. (A, B) Paired anteroposterior (AP) chest radiograph and dual-energy x-ray absorptiometry (DXA) report shows lumbar spine (L1 through L4) areal bone mineral density (BMD). The DXA report was reformatted for anonymization and improved readability. The patient had low BMD (Z score ≤ −2.0). (C) Model (chest radiography [CXR]–BMD) output shows the predicted raw BMD and Z score in comparison with the DXA reference standard, together with interpretability analyses using Shapley additive explanations (SHAP) and gradient-weighted class activation maps. The patient was classified as having low BMD, consistent with the reference standard. AM = age-matched, DEXA = dual-energy x-ray absorptiometry, RM2 = room 2, SNUH = Seoul National University Hospital, YA = young adult.
MRI 'fingerprinting' technique characterizes prostate lesions
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The technique can differentiate suspicious prostate lesions from clinically insignificant lesions.
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Representative T2-weighted (T2w) images, apparent diffusion coefficient (ADC) maps, and MR fingerprinting (MRF)-derived T1 and T2 maps obtained from three participants with different histologic types of prostatic lesions. Lesions are circled with dashed lines. Mean values with standard deviations for ADC, T1, and T2 are shown at the bottom of the images. PCa = prostate cancer.
MRI reveals linked heart, brain damage from breast cancer chemotherapy
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The finding suggests cardiotoxicity and neurotoxicity may be interrelated comorbidities rather than independent side effects.
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Podcast: Mystery surrounds quench button in fatal MRI accident
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Several companies had some sort of responsibility for that quench button, its installation, its functionality, over the life of that trailer, according to experts.
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Consortium launches 5-year plan to improve theranostics outcomes
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The project aims to pave the way for personalized radiopharmaceutical therapy.
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Rad assistants can save practices hundreds of noninterpretive task hours
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Noninterpretive tasks constitute up to 44% of a radiologist’s workday.
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Accuracy, ads influence women's willingness to pay for AI mammography
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Women's willingness to pay for AI-assisted screening mammography varies by accuracy, error rates, and price.
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Study affirms MRE as quantitative imaging biomarker
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Liver stiffness measurements agree between conventional MR elastography sequence and updated sequence, according to researchers.
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Pediatric CEUS use 'slowly' rising since FDA clearance
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Since a 2016 clearance by the FDA, the use of pediatric CEUS in the U.S. has grown at a slow pace.
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AI aging estimates based on chest x-rays linked to mortality
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No studies have investigated the ability of aging velocity -- the rate of change in radiographic age over time -- to predict mortality.
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