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.

A CT coronary calcium scoring exam at Northwestern Medicine's Central DuPage Hospital in the Chicago Suburbs. Dave Fornell

Trends in the number of radiology studies and a decline in radiation dose

A special report in Radiology offers a rare overview of the number of radiology exams performed each year worldwide and focuses on the decline of associated radiation doses patients receive.

Sean Fain, PhD, vice chair of radiology and research and a professor of radiology, Division of Cardiovascular and Thoracic Imaging, University of Iowa, discusses how long-COVID lung damage can be tracked using xenon (Xe) gas magnetic resonance imaging (MRI) and quantitative computed tomography (CT). He spoke to Health Imaging at RSNA 2022.

VIDEO: Tracking long-COVID lung damage using MRI and CT

Sean Fain, PhD, vice chair of radiology and research and a professor of radiology, University of Iowa, discusses how long-COVID lung damage can be tracked using xenon (Xe) gas MRI and quantitative CT at RSNA 2022. 

An example of artificial intelligence (AI) automated detection of a intracranial hemorrhage (ICH) in. a CT scan used to send alerts to the stroke acute care team before a radiologist even sees the exam. Example shown by TeraRecon at RSNA 2022.

VIDEO: Radiology AI aids acute care and other departments

Sanjay Parekh, PhD, senior market analyst with Signify Research, explains how some radiology AI is being adopted outside of radiology departments to improve care.

radiology reporting EHR health record CDS AUC

Follow-up care improves with reporting template for incidental findings

Use of the template, which included PCP notifications, also resulted in an increase of biochemical testing, follow-up imaging and specialist referrals in patients with incidental adrenal masses.

why are T. Rex arms so short?

Experts hope CT can help unlock age-old question: Why were T. Rex arms so short?

Experts are hoping that, by imaging the dinosaur’s shoulder girdle and forelimb, they can create a digital model that could help in determining a T. Rex arm’s range of motion and strength. 

A stack deep silicon photon counting CT detector components. The University of Wisconsin is working with GE Healthcare to develop the new PCD technology. The system and the deep silicon technology was unveiled at RSNA 2022. #RSNA22 #PCCT

VIDEO: Photon-counting CT development at the University of Wisconsin

Tim Szczykutowicz, PhD, DABR, associate professor of radiology at the University of Wisconsin-Madison, is helping develop a new type of photon-counting CT detector that was shown as a work-in-progress by GE Healthcare at RSNA 2022.

Woman dies of lung cancer after radiologist fails to recommend follow-up for ‘large’ abnormality

According to reports, the respiratory physician who treated the patient following her lung cancer diagnosis described her death as “totally avoidable."

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How common are acute kidney injuries in kids following contrast administration?

Based on the findings of a new paper in Radiology, the risks of contrast-associated acute kidney injuries are rare in kids, but age can be a protective factor.

Around the web

Positron, a New York-based nuclear imaging company, will now provide Upbeat Cardiology Solutions with advanced PET/CT systems and services. 

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.

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