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Will Morton

[email protected]
ISMRM 2025
ISMRM: 4D MRI reveals heart impairments in patients with COPD
Research presented at ISMRM 2025 highlighted how 4D flow MRI reveals cardiopulmonary hemodynamic interaction in patients with COPD.
May 12, 2025
Examples of hemodynamic parameter maps superimposed on their corresponding anatomic data for two participants. Participant A represents an example of good flow with lower right ventricle stasis, increased right atrium kinetic energy, and increased mean velocity when compared to the sample’s average calculations. Opposite findings are highlighted by the visualizations of participant B representing an example of poor flow.
ISMRM 2025
ISMRM: Brain’s waste-clearing system accelerates brain aging after stroke
The brain’s glymphatic system appears to accelerate brain aging in patients after ischemic stroke.
May 10, 2025
Representative T2-FLAIR, CBF maps, choroid plexus segment, free-water maps, ALPS ROI, and 3D T1BRAVO from a stroke patient, and a healthy control. Both individuals are 64 years old in chronological age. The patient displays an evident ischemic lesion in the basal ganglia region on T2-FLAIR imaging. The distinctions between the patient and the healthy control are as follows: CBF (32.22 ml/100g/min vs. 47.70 ml/100g/min), CPVF (1.47 vs. 0.84), VCSFVF (32.50 vs. 11.00), MSFW (0.0455 vs. 0.0313), ALPS (1.04 vs. 1.54), and BPAD (13.21 vs. -1.60).
Editor's Note
AuntMinnie.com Molecular Imaging Insider
SPECT/CT myocardial perfusion imaging may help identify patients with coronary artery disease who are more likely to benefit from specific therapies.
May 7, 2025
Molecular Imaging
SPECT/CT MPI may guide medical therapy in CAD patients
SPECT/CT myocardial perfusion imaging can identify patients with coronary artery disease who are more likely to benefit from specific therapies.
May 7, 2025
Screenshot 2025 05 06 141932
MRI
ARRS: Hype is growing around whole-body MRI
Public interest in retail whole-body MRI is growing, and radiologists can play a key role in addressing the hype.
May 5, 2025
Screenshot 2025 05 09 153923
Molecular Imaging
Controversy clouds nuclear medicine bill
Radiology societies and patient advocates are at odds over a bill in the U.S. Congress.
May 1, 2025
Congress
CT
DL model can aid in diagnosing myocardial ischemia
A deep-learning (DL) model can automatically measure myocardial blood flow on CT scans to help diagnose myocardial ischemia.
April 29, 2025
Representative images from diagnostic analysis of deep learning (DL)-based CT myocardial perfusion imaging (MPI). (A-D) Representative images in a 51-year-old woman with stable angina at presentation. (A) Curved planar reformation and (B) three-dimensional maximum intensity projection images show severe stenosis of the opening left anterior descending artery (arrow). (C) Fractional flow reserve (FFR) determined with invasive coronary angiography helps confirm that there was no hemodynamic significance of the opening left anterior descending artery lesion (arrow). (D) Dynamic CT MPI provided functional information to identify hemodynamically significant stenosis with reference to invasive FFR. Myocardial blood flow (MBF) derived from DL-based CT MPI revealed the absence of decreased myocardial perfusion of the left anterior descending artery territory (the areas outlined in black represent the myocardium subtended by the left anterior descending stenosis, and the color bar is a graphical scale that maps MBF ranges). (E-H) Representative images in a 62-year-old man with exertional chest pain at presentation. (E) Curved planar reformation and (F) three-dimensional maximum intensity projection images show moderate stenosis of the middle left anterior descending artery (arrow). (G) FFR determined at invasive coronary angiography helps confirm that the middle left anterior descending lesion was hemodynamically significant (arrow). (H) Dynamic CT MPI provided functional information to identify hemodynamically significant stenosis with reference to invasive FFR. DL-based CT MPI showed a reduction in MBF within the middle and basal anterior wall of the left anterior descending artery territory (the areas outlined in black represent the myocardium with decreased perfusion, and the color bar is a graphical scale that maps MBF ranges). MBFDL = MBF derived from the DL model.
Nuclear Medicine
ARRS: 'Neurotheranostics' may be new frontier for nuclear medicine
Advances in brain PET imaging combined with new treatments for Alzheimer’s have given rise to a new concept of "neurotheranostics."
April 29, 2025
A conceptual framework for neurotheranostics.
MRI
Accelerated MRI protocols reduce environmental impact
Accelerating MRI protocols can cut greenhouse gas emissions, energy use, and costs, while also improving patient access and revenue.
April 22, 2025
Environment
Molecular Imaging
PET scans predict outcomes for patients undergoing CAR T-cell therapy
PET scans performed at one or three months after patients with large B-cell lymphoma begin CAR T-cell therapy can indicate whether they are responding to the treatment.
April 18, 2025
Pet Scan Patient
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Top Stories
Lung Ai
Digital X-Ray
U.K. study: AI fails to speed lung cancer diagnosis
AI prioritization of chest x-rays requested by U.K. primary care had no significant impact on the lung cancer pathway.
Liver Cancer 400
Interventional
Thermal ablation safe, effective for treating liver tumors
Anatomy-matched real and GPT-4o-generated radiographs: (A) real and (B) GPT-4o-generated posteroanterior chest radiographs, (C) real and (D) GPT-4ogenerated lateral cervical spine radiographs, (E) real and (F) GPT-4o-generated posteroanterior hand radiographs, and (G) real and (H) GPT-4o-generated lateral lumbar spine radiographs. The pairs demonstrate that GPT-4o can produce radiographically plausible images across different anatomic regions.
Digital X-Ray
Can you spot a ‘deepfake’ x-ray?
Radiation Caution Sign Gloved Hands Adobe Artify Graphy
Digital X-Ray
9 medical societies advocate for updated fluoroscopy safety standards
Modernizing Radiotherapy Workflows
Sponsor Content
Modernizing Radiotherapy Workflows
More in Home
Physicians prod U.S. FDA for pediatric AI regulatory carveout
By Liz Carey
An analysis exposes how inconsistent and ambiguous the regulatory landscape is for pediatric-focused AI.
March 20, 2026
Regulation Wheel Social
Lung cancer risk persists years after negative CT screening
By Kate Madden Yee
Study results could shape how individuals at risk of lung cancer are screened.
March 20, 2026
Cancer Lung
Ultrasound MinnieCast, Episode 4: Imaging endometriosis with TVUS
By Amerigo Allegretto
Scott Young, MD, from the Mayo Clinic and SRU discusses challenges and opportunities for using TVUS to diagnose endometriosis.
March 20, 2026
Minnie Cast Thumbnail (6)
Exposure to ‘forever chemicals’ linked to lower BMD in adolescents
By Will Morton
Identifying when children are most susceptible to these toxins could help prevent outcomes like low bone mineral density (BMD).
March 19, 2026
Dexa
ACS: Breast, lung cancer burden has shifted from urban to rural areas
By Kate Madden Yee
This trend reflects growing inequalities in social determinants of health, according to American Cancer Society (ACS) researchers.
March 19, 2026
Am 2021 07 26 23 57 1144 Rural 400
Radiologists navigate perilous malpractice trends
By Liz Carey
Venue matters: a look at trends in medical malpractice lawsuits against radiologists.
March 19, 2026
Medical Malpractice Trends Aunt Minnie March2026
Mammography AI approach finds more breast cancers, reduces workload
By Amerigo Allegretto
An AI approach that excludes low-risk mammograms from radiologist reading led to more cancers being found.
March 19, 2026
Breast Cancer 3 D 400 (2)
AI boosts lung nodule detection but doesn't reduce interpretation time
By Kate Madden Yee
The study finding is surprising -- and merits further research.
March 18, 2026
Lung Cancer
Deep learning improves disease detection on echo exams
By Amerigo Allegretto
A deep neural network architecture that combines information from multiple video views could improve echocardiography exams.
March 18, 2026
Heart Artificial Intelligence Ai 400
An RT weighs in on MRI safety: We know better, we just don’t do better
By Kelly Brock
A troubling pattern has emerged: resistance to safety measures doesn’t come from patients but from within the field.
March 18, 2026
Mri Machine Screens
Radiation exposure low during TARE procedures
By Will Morton
Transarterial radioembolization (TARE) is rising in popularity, yet data on occupational radiation exposure are sparse.
March 17, 2026
Photographs show an example of a Y-90 resin microsphere transarterial radioembolization (TARE) procedure using the generation 2 system. (A) Manual portioning by radiopharmacists of therapeutic radioactivity on a laminar flow bench meeting International Organization for Standardization class 5 cleanroom standards and equipped with lead shielding. (B) Single components of the application box. (C) Assembling by the medical physics expert of application box components and vials according to respective manuals. (D) Application box in angiography intervention room with application lines connected to the microcatheter while the nuclear medicine physician administers the microspheres. (E) Storage of empty vials and waste in an acrylic glass bin by the nuclear medicine physician. (F) Measurement of dose rates on the patient’s liver surface immediately after TARE.
Look for disease distribution features to identify ILD patterns on CT
By Kate Madden Yee
Tracking disease distribution and dichotomous features on CT helps identify fibrotic interstitial lung disease (ILD) patterns.
March 17, 2026
2026 03 17 Marinescu Image Thumbnail
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