Will Morton

Molecular Imaging
PET reveals brain’s energy demands during walking
A group in England has established PET imaging as a new approach for studying gait – an excellent indicator of physical, emotional, and mental health.
February 9, 2024
Data analysis validation. Panel A: Image and line profile through the bottle on scans 1 (top) and 2 (middle), and the difference image (bottom) calculated according to Equation 3. Panel B: Data from a representative participant showing the effect of the dose correction on the PETWALK image using Equation 1 when applied to co-registered images in native subject space. The images were then warped to standard Montreal Neurological Institute (MNI) space Top: PETSTAND, middle – uncorrected PETWALK, bottom – corrected PETWALK. The color bar shows image intensity across the three images. Image courtesy of NeuroImage.
Interventional
EVT improves outcomes in stroke patients
Endovascular thrombectomy (EVT) may improve outcomes in stroke patients compared with medical management – importantly, even when imaging suggests varying ranges of brain injury.
February 7, 2024
Stroke Evt
Advanced Visualization
Is interventional radiology ready for augmented reality?
Augmented reality systems may enhance image-guided tumor ablations by improving the accuracy of needle placements.
February 6, 2024
Ar
Molecular Imaging
New tau PET tracer shows promise in Alzheimer’s disease patients
PET imaging using a newly developed radiotracer has identified different patterns of brain tau pathology over time in early-onset versus late-onset Alzheimer’s disease patients.
February 5, 2024
Alzheimers Tau Tangles
Equity & Inclusion
COVID-19 set back Alzheimer’s disease research
U.S. Alzheimer’s disease research centers saw a 77% drop in participants enrolling in clinical trials due to the COVID-19 pandemic.
February 5, 2024
Decrease
Molecular Imaging
PET/CT radiomics predicts outcomes in women with cervical cancer
A radiomics nomogram based on F-18 FDG-PET/CT imaging could help clinicians assess long-term outcomes in women undergoing treatment for locally advanced cervical cancer.
February 2, 2024
Representative example of tumor segmentation of radiomics regions of interest (ROI) on axial, coronal, and sagittal PET/CT imaging.
Molecular Imaging
Can robots transform U.S. medical isotope production?
The U.S. Department of Energy is funding efforts to test whether a robotics system can safely increase the production of medical isotopes.
February 2, 2024
Robotic Machine Tool
AI
FDA defines 'transparency' for AI medical devices
The U.S. Food and Drug Administration (FDA) has sketched out details to help improve the transparency of AI software product information.
February 1, 2024
Question
AI
BERT-based AI poised for use in radiology
Large language models based on Google’s BERT are poised to play a pivotal role in radiology.
January 31, 2024
Bert
Digital X-Ray
Auntminnie.com Digital X-Ray Insider
AI natural language processing models based on Google’s BERT appear poised to play a pivotal role in radiology, according to recent research. Click “Read More” to learn about that story and other recent x-ray news.
January 31, 2024
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Top Stories
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CT
New benchmark helps monitor cumulative CT radiation dose
The findings highlight the need for systematic dose tracking and rigorous justification of imaging.
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Radiation Oncology/Therapy
Study questions routine use of radiotherapy after bone surgery
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Ultrasound
CEUS outshines color Doppler imaging for indeterminate kidney lesions
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Womens Imaging
Women's Imaging MinnieCast, Episode 2: Risk-based vs. annual mammography screening, part 1
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Digital X-Ray
Chest x-rays reveal atherosclerosis in patients undergoing amputations
More in Home
Brain iron findings on MRI help predict cognitive decline
By Kate Madden Yee
The study results could lead to earlier interventions, according to a team from Johns Hopkins University in Baltimore.
September 10, 2025
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Cardiac MRI predicts risk of death in dilated cardiomyopathy
By Will Morton
A new strategy leverages the prognostic value of a late gadolinium enhancement and offers a quantitative versus qualitative approach.
September 9, 2025
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Breast calcifications affect MRI cancer treatment response prediction
By Amerigo Allegretto
Calcifications found in HER2-positive cancers lower the performance of MRI to predict pathologic complete response.
September 9, 2025
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Experts propose generalist radiology AI framework
By Liz Carey
A team of researchers outlined five key features of diagnostic generalist radiology AI (GRAI).
September 9, 2025
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HPI: U.S. pediatric radiology workforce in decline
By Kate Madden Yee
The number of pediatric radiologists in the U.S. is in decline, according to the Harvey L. Neiman Health Policy Institute (HPI).
September 9, 2025
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Low-dose CT ties emphysema to mortality in previous smokers
By Amerigo Allegretto
Study findings highlight the clinical relevance of CT-diagnosed emphysema.
September 9, 2025
Representative axial images of mild, moderate, and severe emphysema at baseline low-dose CT (LDCT). Participants were categorized as having no emphysema or mild, moderate, or severe emphysema. When present, emphysema was mild if no distinct regions of reduced attenuation were visible on the CT scan, but vascular splaying indicates parenchymal expansion, or if only occasional discrete low-attenuation regions were observed. Moderate emphysema was defined by the presence of identifiable low-attenuation regions affecting less than half of the lung parenchyma, whereas severe emphysema was defined by the presence of identifiable low-attenuation regions that involved more than half of the lung parenchyma. A scoring system from 0 to 3 was applied, corresponding to none, mild, moderate, and severe emphysema, respectively. Yellow circle indicates the extent of emphysema. (A) A 67-year-old man with mild emphysema at baseline LDCT in 2002. Baseline LDCT scan shows vascular splaying, suggesting parenchymal expansion due to emphysema and occasional discrete low-attenuation regions. The participant ultimately died of cardiovascular disease 15.4 years (184.2 months) later. (B) A 69-year-old man with moderate emphysema at baseline LDCT in 2007. The participant died of cardiovascular disease 1.8 years (21.9 months) later. Identifiable low-attenuation regions affected less than half of the lung parenchyma. (C) An 85-year-old woman with severe emphysema at baseline LDCT in 2006. After 5.5 years (65.5 months) of follow-up, the participant died due to chronic obstructive pulmonary disease–related causes. Identifiable low-attenuation regions involved more than half of the lung parenchyma.
AI boosts cardiac PET imaging
By Will Morton
AI-enhanced rubidium-82 myocardial blood flow imaging matched the quality of F-18 flurpiridaz PET perfusion imaging.
September 8, 2025
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Neuroradiology still lacks gender, racial/ethnic diversity
By Amerigo Allegretto
Despite efforts, national data show that gender and racial/ethnic disparities persist in neuroradiology.
September 8, 2025
Mri Scan Brain
Bayer pivots away from AI platform business
By Erik L. Ridley
Bayer is discontinuing its Calantic Digital Solutions platform as well as products and services from its Blackford Analysis subsidiary.
September 8, 2025
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PET use increasing in diagnosing cardiac device infections
By Will Morton
Integrating F-18 FDG-PET into standardized diagnostic protocols could enhance early detection of cardiac device-related infections.
September 5, 2025
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ISCT: CT is an ideal imaging modality for cardiometabolic screening
By Kate Madden Yee
Tracking biomarkers on CT could help clinicians better predict patient outcomes.
September 5, 2025
Ct Scanner Control Room2 Radiologist
ISCT: Radiologists can help reduce iodinated contrast media waste
By Amerigo Allegretto
Radiologists can take proactive measures in reducing iodinated contrast media waste, according to an ISCT presentation.
September 5, 2025
Wastewater Treatment
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