Computed Tomography (CT)

Computed tomography (CT) systems use a series of X-ray images to create an image volume dataset with slices that can be manipulated on any plane using advanced visualization software. The section includes computed tomography scanners, CT contrast agents, CT angiography (CTA and CCTA), CT perfusion, spectral CT (dual-source CT), and iterative reconstruction dose reduction software.

Videos | Coronavirus (COVID-19)
VIDEO: Example of Bowel Ischemia and Perforation From SMA Thrombus in COVID-19 Patient

This video shows a computed tomography (CT) scroll through showing bowel ischemia and perforation (see arrows) due to ...

Time November 20, 2020
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Single-slice of the chest CT showing the abnormalities. Arrows indicate the location of the breast mass (red arrow), lymphadenopathy (blue arrow), and a lung nodule (yellow arrow). Arrows not present in experimental display. Image courtesy of Psychonomic Bulletin & Review
Feature | Radiology Imaging
Missing the Radiological Forest for the Trees

There’s a classic video demonstrating how our brains process information and allocate attention in which people bounce ...

Time November 20, 2020
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CurveBeam announced the HiRise, its weight bearing CT (WBCT) imaging system for the entire lower extremity, has received FDA 510(K) clearance.
News | Computed Tomography (CT)
CurveBeam Announces FDA 510(K) Clearance for HiRise Weight-bearing CT System

November 19, 2020 — CurveBeam announced the HiRise, its weight bearing CT (WBCT) imaging system for the entire lower ...

Time November 19, 2020
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Videos | Coronavirus (COVID-19)
VIDEO: COVID-19 Pneumonia Chest CT Scan Scroll Through

An example of a COVID-19 (SARS-CoV-2) pneumonia on chest computed tomography (CT) scan. Coronavirus appears as ground ...

Time September 09, 2021
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The use of cardiovascular computed tomography angiography (CCTA) is one of the areas that has seen a sudden increase in use and value since the start of the ongoing COVID-19 pandemic.
Feature | Cardiac Imaging | By Dave Fornell
COVID’s Impact and the Role of Cardiovascular CT

The use of cardiovascular computed tomography angiography (CCTA) is one of the areas that has seen a sudden increase in ...

Time November 12, 2020
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Cancer-specific mortality, all-cause mortality and overdiagnosis in lung cancer screening trials: a meta-analysis
News | Lung Imaging
New Analysis Finds Lung Cancer Screening Reduces Rates of Lung Cancer-specific Death

November 11, 2020 — Low-dose computed tomography (CT) screening methods may prevent one death per 250 at-risk adults ...

Time November 11, 2020
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Sponsored Content | Videos | Artificial Intelligence
VIDEO: Integrating Artificial Intelligence Into Radiologists Workflow

Artificial Intelligence (AI) is becoming more common place in radiology practices, and emerging technologies are ...

Time November 11, 2020
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SCCT Releases New Guidelines for Cardiology and Radiology Trainees in Cardiovascular CT
News | Computed Tomography (CT)
SCCT Releases New Guidelines for Cardiology and Radiology Trainees in Cardiovascular CT

November 6, 2020 — The Society of Cardiovascular Computed Tomography (SCCT) has released a new training guideline ...

Time November 09, 2020
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Honoring essential healthcareprofessionals, Nov. 8-14
News | Radiology Imaging
Radiologic Technologists Play Crucial Role in COVID-19 Diagnosis

November 9, 2020 — As COVID-19 continues to spread in communities throughout the country, Americans rely on radiologic ...

Time November 09, 2020
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Images show examples of false-positive aneurysms, including (a) bony structures and vessel bifurcation, (b) veins, (c) vessel curvatures, and (d) calcified plaques. Red box (d) indicates aneurysms annotated by radiologists, and the blue boxes indicate aneurysm candidates provided by the algorithm. Images courtesy of the Radiological Society of North America
News | Artificial Intelligence
AI Helps Detect Brain Aneurysms on CT Angiography

November 4, 2020 — A powerful type of artificial intelligence known as deep learning can help physicians detect ...

Time November 04, 2020
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AI-powered premium large bore CT scanner offers industry’s largest bore and widest field-of-view
News | Computed Tomography (CT)
Canon Medical Showcases New Aquilion Exceed LB CT System at ASTRO20

October 24, 2020 — An estimated 1.8 million new cancer cases will be diagnosed in the U.S. this year alone. With a ...

Time October 24, 2020
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An example of a HeartFlow FFR-CT image showing the blood flow through what looked like a significant blockage on CT angiography alone, actually was not flow-limiting based on computational fluid dynamics. Use of the technology was supposed to reduce the number of diagnostic catheterizations in the FORECAST trial, but the costs of FFR-CT were not offset enough to show cost savings.
Feature | CT Angiography (CTA)
FFR-CT Did Not Significantly Reduce Costs But Reduced Rates of Invasive Coronary Angiography

October 22, 2020 – In the FORECAST randomized clinical trial, the use of fractional flow reserve (FFR) derived from ...

Time October 23, 2020
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A, Initial conventional axial CT image shows no noticeable lung damage (within red box) in right upper lobe. B, Electron density spectral CT image obtained at same time as image in A shows lesions (within red box) in right upper lobe. C, Follow-up conventional axial chest CT image obtained 5 days after images in A and B confirm presence of lesions (within red box) in right upper lobe.
News | Coronavirus (COVID-19)
Spectral CT Improves Detection of Early-stage Coronavirus Disease

October 22, 2020 — According to an open-access article in ARRS' American Journal of Roentgenology (AJR), the use of ...

Time October 22, 2020
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According to an inquest, a man with a heart disorder and chest pain died two days after a doctor viewed the wrong scan and sent him home
News | Computed Tomography (CT)
Patient Dies After CT Scan Mix-up

October 21, 2020 — The BBC News reported that Luke Allard of Mill Houses, King's Lynn, died at Queen Elizabeth Hospital ...

Time October 21, 2020
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Rensselaer, First-Imaging, and GE Global researchers develop a deep neural network to perform nearly as well as more complex dual-energy CT imaging technology
News | Computed Tomography (CT)
Standard CT Technology Produces Spectral Images with Deep Learning Algorithms

October 20, 2020 — Bioimaging technologies are the eyes that allow doctors to see inside the body in order to diagnose ...

Time October 20, 2020
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The use of CT and X-ray in the assessment and treatment plan for President Trump underscores the critical role that medical imaging must play in the fight against COVID-19
News | Artificial Intelligence
Radiologists Urge Use of Medical Imaging and AI-Powered Solutions to Manage COVID-19

October 13, 2020 — Given recent high-profile cases of COVID-19 and to aid in the ongoing fight against the pandemic in ...

Time October 13, 2020
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A, Sagittal reformatted bone window CT image of thoracic spine shows wedge-shaped deformity at T6 and subtle superior endplate deformities at T5 and T8. Arrows denote deformities. B, Color-coded dual-energy CT shows only T8 deformity is associated with bone marrow edema; T5 and T6 deformities likely represent chronic fractures. Arrows denote deformities.
News | Computed Tomography (CT)
DECT in the ED Increases Diagnostic Confidence, Reduces Follow-Up Imaging, Projects Cost Savings

October 6, 2020 — According to an open-access article in ARRS’ American Journal of Roentgenology (AJR), dual-energy ...

Time October 06, 2020
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Canon Medical’s Aquilion ONE / PRISM Edition, designed for deep intelligence, integrates artificial intelligence (AI) technology to maximize conventional and spectral computed tomography (CT) capabilities with automated workflows, while providing deep clinical insights to assist physicians in making more informed decisions across the patient’s care cycle.
News | RSNA
Canon Medical’s Aquilion ONE / PRISM Edition Enables Deep Learning Spectral Capabilities

October 1, 2020 — Canon Medical’s Aquilion ONE / PRISM Edition, designed for deep intelligence, integrates artificial ...

Time October 01, 2020
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An example of a CT coronary artery calcium scoring exam showing how each vessel segment is scored to assess a patient's risk for a future heart attack. Example is from Canon Medical Systems.
News | Cardiac Imaging
Study Finds Removing Cost from Calcium Score Testing Increased Utilization

September 25, 2020 — A study out of University Hospitals (UH) found that removing the cost barrier for coronary artery ...

Time September 25, 2020
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New research from King's College London has found that COVID-19 may be diagnosed on the same emergency scans intended to diagnose stroke.
News | Cardiac Imaging
Stroke Scans Could Reveal COVID-19 Infection

September 22, 2020 — New research from King's College London has found that COVID-19 may be diagnosed on the same ...

Time September 22, 2020
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