Study Finds Radiation Doses for Identical CT Scans Vary Widely Across Facilities
An evaluation of Medicare ExRad measure data across 254 facilities found that 30.7 percent of adult CT scans exceeded radiation ...
Tag: image quality
Miniature 3D Ultrasound Probes Expand Options for Guiding Complex Heart Procedures
Miniaturized three-dimensional transesophageal echocardiography probes offer high-resolution procedural guidance under conscious sedation while reducing esophageal injury risks during structural heart ...
Deep-Learning CT Reconstruction Cuts Noise but Suppresses Subtle Low-Dose Lesions
A task-based phantom study demonstrates that deep-learning CT reconstruction with high-frequency kernels substantially reduces image noise while preserving spatial resolution, ...
Automated Heart Function Estimates Show Poor Reproducibility in Emergency Ultrasound
A prospective study in an emergency department found that automated left ventricular ejection fraction calculations using a pocket ultrasound device ...
Five-Minute PET Scans Match Standard Imaging for Assessing Brain Tau Pathology
A retrospective neuroimaging study demonstrates that shortening fluorine-18-MK6240 PET acquisition to five minutes on high-sensitivity PET/MR systems preserves diagnostic accuracy ...
PET/CT Image Quality Varies by Radionuclide and Axial Position
A new study quantifies how different radionuclides affect image quality and partial volume effects across the axial field of view ...
Advanced PET Reconstruction Technique Enhances Spinal Cord Tumor Imaging Quality and Quantification
A retrospective PET/MR study demonstrates that combining time-of-flight and point-spread function modeling with standard iterative reconstruction significantly improves image quality ...
Adiabatic Fat Suppression Technique Outperforms Conventional Inversion Recovery in Knee MRI
A paired intra-individual imaging trial shows that spectral adiabatic inversion recovery delivers superior fat suppression and soft-tissue clarity in 1.5-Tesla ...
Lower Contrast Dose With Virtual Monoenergetic Imaging Shows Promise After Kidney Cryoablation
A small feasibility study found that 55 keV virtual monoenergetic imaging restored ablation zone contrast when the intravenous contrast medium ...
Deep-learning CT reconstruction sharpens calcium visibility in phantom tests, but dose evens the score
In a thorax phantom study, 68-keV monoenergetic CT gave the highest contrast-to-noise ratio for calcium-mimicking inserts but also the highest ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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