PET/CT

Positron emission tomography/computed tomography is a hybrid nuclear medicine imaging technique that helps radiologists spot abnormal metabolic activity. PET/CT is commonly used to diagnose cancers, heart diseases and certain brain disorders, among other conditions.

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New advanced PET imaging reveals root of cognitive decline in patients with Alzheimer's

The scans unearthed a significant association between synaptic density and decreased cognitive performance, Yale researchers revealed recently.

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Is PET/CT or multiparametric MRI best for detecting prostate cancer? New research offers guidance

A comparison of the detection rates for 68Ga-PSMA PET/CT and mpMRI in low, intermediate and high-risk prostate cancer was recently shared by experts in EJNMMI.

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F-18 FDG PET/CT highly sensitive for diagnosing cause of fevers with unknown origin

Such scans determined the final diagnosis in 54% of patients and were more accurate than CRP and WBC levels for identifying fever origin, according to research published in Scientific Reports.

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PSMA-PET validates commonly used system measuring risk of prostate cancer recurrence

"The accuracy of PSMA-PET is essential to improve stratification and potentially outcomes both in low-risk and high-risk settings,” a doctor involved in the study explained in the Journal of Nuclear Medicine.

SNMMI images of unusual imaging pattern observed on FDG PET/CT or FDG PET/MR that may be due to Omicron COVID-19 infection. Unlike the FDG PET/CT pattern seen with infections from previous strains of COVID-19, with principal involvement of the lungs, this new array of findings is primarily centered in the upper aerodigestive tract and cervical lymph nodes. What does omnicron COVID look like in medical imaging?

Unusual pattern on PET/CT may indicate COVID omicron variant

The Society of Nuclear Medicine and Molecular Imaging offered up a handful of tips to help providers who encounter such findings.

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Machine learning combined with PET/CT can predict heart attack risk

“We showed that risk prediction does not depend on cardiovascular risk scores, stenosis severity or CT calcium scoring," researchers said in the Journal of Nuclear Medicine.

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Physicians support use of PET/CT scans in pregnant women with cancer, survey finds

Researchers say scans pose little risk to an unborn fetus but maintained doctors must weigh the benefits against potential risks.

‘Partial victory’: Imaging advocates say Humana relenting on some PET/CT payment restrictions

The health insurer reversed its coverage denial for imaging of gastric and esophageal oncologic indications, while other restrictions remain in place. 

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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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