Will Morton

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).
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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
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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
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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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MRI
Cardiac MRI-based ML model predicts MACE risk for STEMI patients
A machine-learning (ML) model based on cardiac MRI and clinical parameters performed well in a study of STEMI patients.
Emergency Entrance
Digital X-Ray
Low-value x-ray persists in patients with maxillofacial trauma
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CT
'Quadruple low' PCCT protocol improves lung cancer imaging
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CT
New benchmark helps monitor cumulative CT radiation dose
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Radiation Oncology/Therapy
Study questions routine use of radiotherapy after bone surgery
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Super-resolution deep learning reconstruction improves CCTA
By Will Morton
The commercially available image reconstruction algorithm outperformed standard hybrid iterative reconstruction for assessing coronary stenosis.
February 10, 2026
Images from two representative cases. (A-C) Images in an 82-year-old man with a calcified plaque in the proximal segment of the left anterior descending artery. (A, B) Curved planar reconstruction images from CCTA with (A) hybrid iterative reconstruction (HIR) and (B) super-resolution deep learning reconstruction (SR-DLR) show that the measured PDS was 66% for the HIR image and 42% for the SR-DLR image. (C) Quantitative analysis of the invasive coronary angiography (ICA) image (reference standard) revealed a PDS of 34% (arrow). (D-F) Images in a 37-year-old woman with a noncalcified plaque in the middle segment of the left circumflex artery. (D, E) Curved planar reconstruction images from CCTA with (D) HIR and (E) SR-DLR show that the measured PDS was 47% for the HIR image and 80% for the SR-DLR image. (F) Quantitative analysis of the ICA image revealed a PDS of 72% (arrow). Blue, red, and yellow lines in A, B, D, and E represent the proximal reference point, stenosed lesion, and distal reference point, respectively, and the insets show the corresponding cross-sectional images.
Nonsurgical management rising for low-risk DCIS cases
By Amerigo Allegretto
Trends show that nonsurgical management of DCIS is rising, paving the way for imaging's role in active surveillance.
February 10, 2026
Breast Mammo 400
Gadoxetate MRI offers high sensitivity for liver cancer screening
By Kate Madden Yee
"Most participants undergoing HCC screening had excellent MRI quality even when ultrasound was limited," researchers noted.
February 10, 2026
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Podcast: MRI service engineer faced nightmare with man's entrapment
By Liz Carey
MRI service engineers aren't generally first responders, says MRI safety expert Josh Posh.
February 10, 2026
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PET/CT visualizes complications in patients on hemodialysis
By Will Morton
F-18 sodium fluoride PET/CT scans can quantify changes in cardiac and aortic vascular calcifications.
February 9, 2026
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DBT-guided biopsies show practical advantages
By Amerigo Allegretto
New research says DBT-guided biopsies lead to less procedure times and radiation exposure compared to mammography-guided biopsies.
February 9, 2026
Breast Dbt Social
Radiology is at an inflection point
By Dhruv Chopra
Radiology is a cornerstone of modern medical diagnostics, but today is at an inflection point, said Civie CEO Dhruv Chopra in a new column.
February 9, 2026
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PSMA-PET/CT best for staging prostate cancer
By Will Morton
The finding is from a head-to-head comparison of PSMA-PET/CT with five other techniques.
February 6, 2026
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Could CEUS improve BI-RADS assessment?
By Amerigo Allegretto
Adding Contrast-enhanced ultrasound (CEUS) to BI-RADS could help improve classification of breast lesions.
February 6, 2026
Contrast Injector
Do young athletes with low back pain need advanced imaging?
By Kate Madden Yee
Survey findings may support efforts to reduce unnecessary imaging in this population.
February 6, 2026
Adobe and Drobot Dean
Ultrasound MinnieCast, Episode 1: Is 2026 the year of CEUS?
By Amerigo Allegretto
In the first episode of the Ultrasound MinnieCast, Richard Barr, MD, discusses what's in store for CEUS in 2026.
February 6, 2026
Minnie Cast Thumbnail 1
Microwave ablation safe for tumors close to the heart
By Will Morton
Data on the safety and efficacy of microwave ablation to these high-risk lesions is limited.
February 5, 2026
Lung Tumors
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