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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Maruf Adewole, PhD
ISMRM 2026
ISMRM: Maruf Adewole shares how MRI, AI can expand global care
Maruf Adewole, PhD, at ISMRM 2026 shares insights on expanding MRI in global health with the help of AI.
Petra Hüppi, MD, will assume her role as ISMRM president at the end of the society's 2026 meeting in Cape Town.
ISMRM 2026
ISMRM: Incoming ISMRM president reflects on time in Cape Town
Representative DMI data from a patient with a high-grade glioma. DMI ratio maps pre- and post-treatment show spatial metabolic changes. Deuterium spectra from the tumor and contralateral NABP demonstrate metabolic differences and therapeutic effects.
ISMRM 2026
ISMRM: DMI detects treatment response in patients with high-grade gliomas
Kathryn Keenan, PhD
ISMRM 2026
ISMRM: Kathryn Keenan on collaboration between rads and physicists
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ISMRM: Maruf Adewole shares how MRI, AI can expand global care
By Amerigo Allegretto
Maruf Adewole, PhD, at ISMRM 2026 shares insights on expanding MRI in global health with the help of AI.
May 13, 2026
Maruf Adewole, PhD
ISMRM: Incoming ISMRM president reflects on time in Cape Town
By Amerigo Allegretto
Incoming ISMRM president Petra Hüppi, MD, talks with AuntMinnie about her time in Cape Town and what research she is leading.
May 13, 2026
Petra Hüppi, MD, will assume her role as ISMRM president at the end of the society's 2026 meeting in Cape Town.
ISMRM: DMI detects treatment response in patients with high-grade gliomas
By Will Morton
Deuterium is a stable, nontoxic isotope used to label glucose, which is then administered as an oral imaging agent.
May 13, 2026
Representative DMI data from a patient with a high-grade glioma. DMI ratio maps pre- and post-treatment show spatial metabolic changes. Deuterium spectra from the tumor and contralateral NABP demonstrate metabolic differences and therapeutic effects.
ISMRM: Kathryn Keenan on collaboration between rads and physicists
By Kate Madden Yee
Along with current ISMRM president Mark Griswold, PhD, Keenan delivered a talk at the opening plenary session of the conference.
May 12, 2026
Kathryn Keenan, PhD
ISMRM: Cardiac MRI key to assessing CVD risk in those with HIV
By Kate Madden Yee
As treatment for HIV has improved, those with the disease are living longer -- and thus may develop other diseases, including CVD.
May 12, 2026
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ISMRM: 7T MR spectroscopy uncovers sleep-neurotransmitter dynamics
By Liz Carey
Study provides insights into the neurochemical basis of sleep disorders in relation to glutamate imbalances.
May 12, 2026
Joshita Majumdar, PhD candidate in electrical and computer engineering, presented a snapshot of 7T MRI research based at the Auburn University Neuroimaging Center in Alabama. Other team members not pictured include Nguyen Phuoc Huynh and Adil Bashir, PhD, both of Auburn’s Samuel Ginn College of Engineering, and Lavanya Sankaran of California Health Sciences University in Fresno, CA.
ISMRM: Fully automated fetal MRI scanning pipeline shows success
By Amerigo Allegretto
Results presented at ISMRM 2026 suggest a fully automated fetal MRI pipeline can perform on par with specialists.
May 12, 2026
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ISMRM: Katja Pinker talks recent advancements in breast MRI
By Amerigo Allegretto
At ISMRM 2026, Katja Pinker, MD, PhD, talks about promising trends and observations in breast MRI that should provide optimism.
May 12, 2026
Katja Pinker, MD, PhD
ISMRM: 7T MRI-compatible piano may measure neural activity
By Amerigo Allegretto
A study shown at ISMRM 2026 shows how a 7T MRI-compatible piano may be applied to measuring brain activity from users.
May 12, 2026
Researchers at ISMRM presented results from a proof-of-concept study showing how a 7T MRI-compatible piano could potentially help take neural measurements.
ISMRM: Functional lung MRI detects asthma treatment responses
By Will Morton
Biologic treatment of severe eosinophilic asthma is successful in only 80% of patients and predictive factors for treatment response are not yet available.
May 11, 2026
Representative PREFUL and F-19 MRI results at baseline and three months of a male responder (age: 47). First row: PREFUL ventilation images; Second row: Ventilation defect percentage (VDP) maps; Third row: Flow-volume loop (FVL) maps. VDP changed from 54% to 23% and the FVL score over the whole lung increased from 88% to 98%. Fourth and fifth rows: second breath-hold F-19 ventilation with corresponding VDP map; sixth and seventh rows: sixth breath-hold F-19 ventilation with corresponding VDP map. Second VDP decreased from 26% to 10% and 6th VDP from 16% to 3%.
ISMRM: qMRI deep learning model predicts CE in brain tumors
By Liz Carey
Researchers work to predict contrast enhancement without gadolinium-based contrast agents.
May 11, 2026
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ISMRM: MRI–CT fat phantom update incorporates myosteatosis measurements
By Liz Carey
Researchers say there's growing interest in quantifying abnormal fat accumulation in skeletal muscle.
May 11, 2026
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