Editor's E-Note
CT is often used to assess lung disease, but studying lung structure and function requires separate protocols that can't be combined. In this month's newsletter, we're highlighting a recent study of photon-counting CT that shows promise for simultaneous assessment. According to the researchers, the technique has many potential applications.
Does your facility use photon-counting CT? Let us know on Twitter and/or Facebook.
Enjoy the newsletter.
— Dave Yeager, editor |
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Photon-Counting CT Can Evaluate Lung Function
New CT technology allows for a comprehensive, simultaneous evaluation of lung structure and function, something not possible with standard CT, according to a study published in Radiology.
Chest CT is the imaging method of choice for analyzing lung disease and tracking changes over time. However, CT studies of lung function and perfusion require dedicated protocols that cannot be combined.
Researchers in Germany and the Netherlands developed a chest imaging protocol that yields information on structure and function of the lungs as an all-in-one procedure. The protocol uses photon-counting CT technology that enables high image quality at a radiation dose below that of a standard chest CT.
In addition, it provides better spatial resolution and options for spectral imaging and requires advanced software but no additional hardware.
The researchers studied the protocol in 197 patients with clinically indicated CT for various known and unknown lung function impairments. After administration of an intravenous contrast agent, the photon-counting CT scan was taken when the patients inhaled and again when they exhaled.
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New Agent Aids in Detecting Blood Cancer Cells
A study published in the Journal of Biomedical Optics reveals a new fluorescent agent being tested for its ability to detect the number of circulating tumor cells in the bloodstream.
Personalized Approach to Subtyping Alzheimer’s Disease
Combining genomic and tau PET imaging data, a new computational technique offers a more personalized approach to subtyping Alzheimer’s disease, according to research reported at the SNMMI Annual Meeting.
PROSPECT Trial Provides Evidence of Options for Rectal Cancer Patients
ASTRO issued a statement on the PROSPECT trial, which posited that radiation therapy combined with low-dose chemotherapy could replace “aggressive” chemotherapy, which has a higher rate of side effects. |
“The ability to detect early signs of [hypertrophic cardiomyopathy] could be crucial in trials testing treatments aimed at preventing early disease from progressing or correcting genetic mutations. The scans could also enable treatment to start earlier than we previously thought possible. … The information provided from scans could therefore help doctors make better decisions on how best to care for each patient.”
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COVER STORY
Battling Burnout
The impact of burnout from the COVID-19 pandemic lingers, even while the pandemic’s protocols dwindle. Experts discuss burnout symptoms and how to combat them.
FEATURE
On Target
Prostate cancer diagnosis and treatment was once an arduous process, but thanks to technological advancements and developments in nuclear medicine, it is becoming easier than ever to detect and treat.
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