Computed Tomography

Computed tomography (CT) is a fast and accurate imaging modality often used in emergency settings and trauma imaging. CT scans, with or without (or both) iodinated contrast are frequently used to image the brain, chest, abdomen and pelvis, but also have post-imaging reconstructive capabilities for detailed orthopedic imaging. It is now a standard imaging modality in emergency rooms to quickly assess patients. CT uses a series of X-ray images shot as the gantry rotates around the patient. Computer technology assembles these into into a dataset volume than can be slices on any access, or advanced visualization software can extract specific parts of the anatomy for study. Find more content specific to cardiac CT.

AI automation could 'revolutionize' Crohn's Disease severity CT assessments
Machine learning models could help create a more standardized, reproducible and efficient way of grading Crohn’s disease severity in the small bowel based on CT imaging.
New publicly available deep learning model for CT organ segmentation in children shows promise
The model was developed and validated specifically for liver, spleen and pancreas segmentation, and outperformed a publicly available segmentation model already in use.
A significant amount of imaging orders in emergency settings are inappropriate
A general lack of awareness pertaining to ACR appropriateness criteria could be a driving factor behind the misguided requisitions, authors of a new analysis suggest.
AI improves CT assessments, boosts care for real-world heart patients
Automated AI-generated measurements combined with annotated CT images can improve treatment planning and help referring physicians and patients better understand their disease, explained Sarah Jane Rinehart, MD, director of cardiac imaging with Charleston Area Medical Center.
ChatGPT shows 'significant promise' in guiding contrast-related decisions
This could be especially helpful when timely clinical decisions relative to the use of a contrast agent need to be made.

Radiologists must be aware of key CT findings in patients with 'devastating' COVID complication

A CT scan can offer a prompt diagnosis and guide subsequent surgical intervention for patients with acute mesenteric ischemia, a rare but deadly disease reported in some COVID cases.

November 12, 2021

Radiologists launching new study assessing ‘one stop shop’ cardiac myocardial CT perfusion imaging

Emory University researchers will compare the technique to nuclear stress testing in a small group of patients.

November 11, 2021

Providers ordering diagnostic rather than screening CT may push patients out of LCS programs

Additionally, those who undergo a diagnostic versus screening exam can suffer damaging effects, including higher radiation dosages and alternate follow-up recommendations.

November 8, 2021

Widely available CT test opens new treatment door for patients with severe stroke

The imaging technique could identify thousands of patients each year who may benefit from thrombectomy more than 24 hours after suffering a clot.

November 2, 2021

Imaging group says new guidelines for chest pain contain some ‘troubling recommendations’

The update is meant to help clinicians improve outcomes while reducing costs, but one advocate says certain imaging suggestions may cause unanticipated harm.

October 29, 2021

AI predicts cancer risk from lung screening CTs, clinical data without radiologist assistance

Imaging specialists remain irreplaceable, the experts maintained, particularly when looking for clinically significant findings.

October 20, 2021

Negative CT-PA scans could increase time-to-disposition in patients seen for pulmonary embolism

Patient and environmental factors proved not to be major culprits but scan results were key, experts reported in BMC Emergency Medicine.

October 19, 2021

FDA clears first major upgrade to CT technology in nearly a decade

The new imaging devices utilize a fast-emerging technology known as photon counting and can enhance everything from diagnostic decision making to treatment planning.

September 30, 2021

Around the web

Cardiovascular Business

AI improves CT assessments, boosts care for real-world heart patients

Automated AI-generated measurements combined with annotated CT images can improve treatment planning and help referring physicians and patients better understand their disease, explained Sarah Jane Rinehart, MD, director of cardiac imaging with Charleston Area Medical Center.

Cardiovascular Business

AI predicts cardiovascular risk during CT scans—no invasive tests or contrast required

Two advanced algorithms—one for CAC scores and another for segmenting cardiac chamber volumes—outperformed radiologists when assessing low-dose chest CT scans.

Radiology Business

Google teams with Bayer to address radiologist burnout via AI

"Gen AI can help tackle repetitive tasks and provide insights into massive datasets, saving valuable time," Thomas Kurian, CEO of Google Cloud, said Tuesday.