Medical Imaging

Physicians utilize medical imaging to see inside the body to diagnose and treat patients. This includes computed tomography (CT), magnetic resonance imaging (MRI), X-ray, ultrasound, fluoroscopy, angiography,  and the nuclear imaging modalities of PET and SPECT. 

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Wake Forest receives $1.5 million to fund imaging study aimed at bone loss after bariatric surgery

The funding will go toward the Strategies to Reduce the Onset of Sleeve Gastrectomy Associated Bone Loss (STRONG BONES) trial.

colorectal cancer colon CTC CRC colonoscopy

Radiology's role in colorectal cancer care set to grow following 'groundbreaking' trial results

The results were so conclusive that the trial was halted at halftime for having met predefined stopping rules. 

Lung cancer screening CT image in a 66-year-old male patient shows a sessile nodule with internal air in the left mainstem to left upper lobe bronchus (arrow) with a mean diameter of 10 mm. The nodule was assigned as Lung-RADS category 4A in the clinical report. (B) Follow-up CT image shows the lesion is resolved. Image courtesy of RSNA

Lung-RADS update helps limit false-positive results, unnecessary procedures

Using the latest version was associated with improved diagnostic accuracy, researchers wrote in a new analysis. 

Dual energy CT scanners should be powered down more often to reduce energy consumption.

Why some CT equipment should be powered down more often

And not just on nights and weekends, authors of a new analysis on energy consumption in CT departments argue.

Dose reduction protocol makes multiple same-day contrast injections possible when necessary

This reduction protocol allows for acceptable lesion visualization while also providing a cautionary cushion when the safety of sequential contrast injections is in question.

Comparison of a 2D digital mammogram and breast tomosynthesis 3D mammography from UCSF.

DBT exams take twice as long to read as 2D mammograms, but the learning curve is short

Although DBT exams are proven to identify more difficult to detect cancers, especially among women with dense breasts, they also include significantly more images than standard 2D mammograms. 

light therapy improves brain connectivity after head trauma

Light therapy improves brain connectivity after head trauma, MRI study shows

In the study, patients who underwent light therapy showed improved connectivity between seven brain region pairs.

RSNA attendee tries out the new Philips 5300 MRI system video viewing system (projected on the wall behind the MRI and viewed using a mirror) to entertain patients during longer exams. The system is a "helium free" system. It has a seals cooling system so it only uses 7 liters of helium, as opposed to the usual 1,500 liters in conventional MRI systems.

Philips celebrates nearly 2M liters of liquid helium saved thanks to its helium-free MRI technology

The company made the announcement following the 1,111th installation of its BlueSeal 1.5T magnet, which took place at the Vida Imaging and Breast Center in Bayamón, Puerto Rico. 

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Around the web

Cardiovascular Business
Cardiology, radiology specialists debate CCTA’s rise as a go-to imaging modality for CAD

CCTA is being utilized more and more for the diagnosis and management of suspected coronary artery disease. An international group of specialists shared their perspective on this ongoing trend.

Cardiovascular Business
New AI program delivers rapid, accurate echo video assessments

The new technology shows early potential to make a significant impact on imaging workflows and patient care. 

Radiology Business
Key Medicare reimbursement and No Surprises Act updates from RSNA 2024

Richard Heller III, MD, RSNA board member and senior VP of policy at Radiology Partners, offers an overview of policies in Congress that are directly impacting imaging.