Clinical Research

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Examples of photon-counting coronary angiography showing how clarity improves as the thickness of the image is reduced. Top: 60-year-old female, with noncalcified plaque (arrowheads) and coronary stenosis (inset images). The reduced section thickness did not affect assessment in this patient. Bottom: 56-year-old female with calcified plaque (arrowheads) and coronary stenosis. The reduced section thickness leads to less calcium blooming and therefore a less severe percentage of stenosis. Courtesy of RSNA

Coronary artery disease classification improved with photon-counting CT

After a photon-counting CT, 54% of patients had their coronary artery disease classification downgraded.

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Focused ultrasound may alleviate pain without drugs, study finds

Researchers from Virginia Tech uncovered physiological changes from altering the way the brain perceives pain.

equity

Artifacts from hair on X-rays shed light on health equity gap

Do radiologists see how the hair styles of Black and brown people impact imaging exams? 

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Microrobots guided by an MRI eradicate liver cancer

The technique was successful in a proof-of-concept animal study, but human trials are a long way off. 

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Low field 0.55T MRI images as diagnostically useful as 1.5T for abdominal scans

Researchers from the University of Michigan scanned 52 patients at multiple field strengths to make the comparison.

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Micro-CT used to scan mysterious wormlike reptiles

The underground life of an Amphisbaenia has not been easy to study.

The rate of radiology reading errors has not changed in 75 years, despite technology advances, explains Michael Bruno, MD, Penn State Hershey Medical Center, who outlines the reasons why.

Error rates in radiology have not changed in 75 years

Radiology report reading errors are as prevalent as ever. Michael Bruno, MD, of Penn State Hershey Medical Center says it's time for that to change.

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MRI overutilized in prostate cancer screening, study finds

MRI scans rarely detect prostate cancer even in men marked as having an elevated risk, calling into question current clinical guidelines.

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Around the web

Cardiovascular Business
Global shortage of nuclear imaging isotopes may be over

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.

Cardiovascular Business
‘A huge win’: CMS significantly increases Medicare payments for cardiac CT

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.

Cardiovascular Business
FDA clears AI tool that flags signs of heart disease in chest CT scans

The newly cleared offering, AutoChamber, was designed with opportunistic screening in mind. It can evaluate many different kinds of CT images, including those originally gathered to screen patients for lung cancer. 

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