Erik L. Ridley

ISMRM 2025
ISMRM: AI spots ischemic heart disease on low GBCA dose images
An AI-based framework was highly accurate for detecting myocardial ischemia, even on images acquired with 90% less gadolinium.
May 14, 2025
Representative stress perfusion CMR case with 80% contrast dose reduction. Pixel-wise MBF maps and AHA 16-segment bull's eye plots are shown for full-dose and reduced-dose acquisitions. When analyzed using the proposed MST deep learning method, the reduced-dose data closely matches the full-dose data across basal, mid, and apical slices. In contrast, Fermi-deconvolution shows good agreement in apical and mid slices but overestimates MBF in some basal segments, indicating reduced accuracy under low-dose conditions. Image courtesy of the ISMRM.
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Space Flight
Digital X-Ray
DEXA offers new clues on bone health in astronauts
With longer stays in space projected, safeguarding astronaut skeletal health has become even more important.
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Equipment
Who can be a certified radiology equipment specialist?
Back Spine Skeleton
MRI
RSNA releases Lumbar Degenerative Imaging Spine Classification dataset
Breast Cancer
Womens Imaging
MBI remains underused despite high performance
Amy Thompson of Signify Research.
Enterprise Imaging
Teleradiology at an inflection point: Growth potential amid market rivalry
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DEXA offers new clues on bone health in astronauts
By Will Morton
With longer stays in space projected, safeguarding astronaut skeletal health has become even more important.
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The Association for the Advancement of Medical Instrumentation has updated its certified radiology equipment specialist program.
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LumbarDISC is the largest publicly available adult MRI lumbar spine dataset for degenerative disease, according to the society.
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Amy Thompson of Signify Research discusses recent trends in the teleradiology market.
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How does high alcohol use affect the brain?
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Synaptic density deficits are evident even in people with mild-to-moderate alcohol use disorder.
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2026 01 15 Brain Synapse Density Thumbnail
MRI technique shows promise for diagnosing 'at risk' MASH patients
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The findings address a clinical need, as noninvasive, accurate diagnostic tools are critical for identifying patients at risk of MASH.
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DBT's performance suffers when imaging extremely dense breasts
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Digital breast tomosynthesis (DBT) has lower sensitivity when imaging extremely dense breasts compared with other density categories.
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Presurgical mpMRI helps predict chronic kidney disease risk
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Preoperative multiparametric MRI (mpMRI) helps predict patients' chronic kidney disease risk after nephrectomy.
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Kidney
Breast MRI shows higher BPE levels in Black women
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Studies suggest a positive association between increasing ordinal levels of background parenchymal enhancement (BPE) and breast cancer risk.
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2026 01 13 Parenchymal Enhancement Minimal To Marked Thumbnail
AI proves more sensitive than rads for identifying extranodal extension
By Kate Madden Yee
The algorithm bested head and neck cancer specialists for detecting pathologic lymph node extranodal extension.
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Artificial Intelligence Ai Hand Social
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