Eric Barnes

CT
Coronary calcium found on CT packs extra peril for smokers
According to an analysis of more than 44,000 subjects over five years, smokers with coronary artery calcium (CAC) had higher mortality rates than smokers without CAC. But an absence of CAC didn't help smokers much, as they still had mortality similar to nonsmokers with mild to moderate atherosclerosis, researchers wrote in JACC: Cardiovascular Imaging.
October 10, 2012
CT
Canadian C-spine rule rules, but may not cut imaging
The Canadian C-spine rule is more accurate for diagnosing cervical spine injuries than another common rule addressing the injury, according to a new study in the Canadian Medical Association Journal.
October 8, 2012
CT
Novel CT analysis tool refines COPD diagnosis
A new image analysis technique for chest CT scans could have a big effect on the diagnosis and treatment of chronic obstructive pulmonary disease (COPD), according to a new study in Nature Medicine.
October 8, 2012
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CT
DSCT compares full- to half-dose VC by patient
Mayo Clinic researchers used iterative reconstruction to acquire half-dose virtual colonoscopy exams with dual-source CT (DSCT) and compare them to full-dose exams without scanning patients twice. The technique offers a more accurate way to compare dose levels between different CT protocols, according to a new study in the Journal of Computer Assisted Tomography.
October 7, 2012
CT
Automated tube current, voltage settings cut CT liver dose
A software protocol that enables the use of both automatic tube voltage selection and automatic tube current modulation in the same CT scan can reduce radiation dose significantly in patients with suspected liver disease, according to a new study in Radiology by Korean researchers.
October 4, 2012
CT
Noncontrast CT may underestimate lung nodule volume
Low-dose unenhanced CT scans may underestimate the volume of smaller lung nodules compared with standard-dose contrast CT studies, creating potential problems when tracking nodules over time, wrote researchers in the October issue of the American Journal of Roentgenology.
September 30, 2012
CT
NLST stands alone in finding lung screening mortality benefit
A new meta-analysis of lung cancer screening studies shows that only one of three randomized trials that looked at mortality found a benefit from screening. Still, the comparison is questionable inasmuch as the two studies analyzed along with the National Lung Screening Trial (NLST) may be too small with too little follow-up.
September 27, 2012
CT
Radiology: Time to mothball 'low-dose' terminology
The terms "low dose" and "standard dose" are meaningless, so if the paper you're submitting to Radiology includes them, expect to get it back, say the editors of the specialty's flagship journal.
September 25, 2012
CT
Fast video cards enlisted in drive to curb CT dose
High-speed computer graphics cards are being used to provide faster and cheaper radiation dose estimates than supercomputer-based software that has traditionally taken several hours to compute doses from CT scans, say researchers from Rensselaer Polytechnic Institute.
September 23, 2012
CT
CTA, not CTP, makes the call for ischemic stroke treatment
Patient outcomes also depend on factors such as ischemic preconditioning and the presence of collateral vessels, so perfusion CT imaging is unlikely to add much to the therapeutic decision, Lev said. Future research will model multiple univariate imaging predictors, including collateral vessels.
September 23, 2012
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Ultrasound
CEUS outshines color Doppler imaging for indeterminate kidney lesions
CEUS outperformed color Doppler ultrasound in a study focusing on indeterminate kidney lesions.
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Womens Imaging
Women's Imaging MinnieCast, Episode 2: Risk-based vs. annual mammography screening, part 1
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Digital X-Ray
Chest x-rays reveal atherosclerosis in patients undergoing amputations
Cardiac Mri Adobe Samunella
MRI
3D MRI technique helps plan treatment for pediatric heart conditions
Images of a 39-year-old who underwent screening mammography. Right craniocaudal (left) and mediolateral oblique (middle) views from preoperative mammography show suspicious grouped fine pleomorphic calcifications (arrows). After biopsy showed ductal carcinoma of situ (DCIS), patient underwent breast-conserving surgery, yielding final diagnosis of ductal carcinoma in situ (intermediate grade, hormone receptor positive). (Right) Screenshot of an output of a commercial AI tool applied to preoperative mammography. AI detected right breast lesion with score of 95% on both views (concentric colored circles). Present study’s reviewing radiologist deemed AI marking to correspond with site of DCIS.
Womens Imaging
Could AI scoring help with managing DCIS?
More in Home
Adding AI to brain MRI finds previously occult epilepsy lesions in kids
By Kate Madden Yee
Using an AI tool with brain MRI in children finds 64% of focal cortical dysplasias -- abnormalities linked to epilepsy -- that radiologists miss, researchers have reported.
February 24, 2025
Mri Scanner Kid
1 in 20 women around the world diagnosed with breast cancer
By Amerigo Allegretto
About one in 20 women globally are diagnosed with breast cancer and women living in low- to middle-income countries are at higher risk.
February 24, 2025
Breast Mammo
PET/CT reveals new infections in ICU patients
By Will Morton
F-18 FDG-PET/CT is a valuable approach for diagnosing unknown infections in intensive care unit (ICU) patients.
February 21, 2025
There are several conceivable advantages of F-18 FDG PET/CT over conventional imaging. Image A and B showing an example of the distinctive capability of the F-18 FDG PET/CT. A shows a fusion image of F-18 FDG PET/CT and low-dose CT and B an high resolution chest CT of a patient with an Aspergillus infection. The suspected aspergilloma is concealed on the high resolution CT due to the lung fluids and consolidation. Image C and D (fusion image of F-18 FDG PET/CT and low-dose CT and low-dose CT only, respectively) are examples of the ability to image inflammation while no concurrent abnormalities are visualized, in this case prostatitis (red arrows). Image E, a maximized intensity projection of F-18 FDG PET, shows a patient with lung infections and multiple muscle abscesses after MRSA sepsis. This is an illustrative example of a relevant dissemination investigation. Image and caption available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of Annals of Intensive Care.
Ultrasound falls short for detecting endometrial cancer in Black women
By Amerigo Allegretto
Ultrasound-based strategies fall short of biopsy for detecting endometrial cancer in non-Hispanic Black women.
February 21, 2025
Ultrasound Diagnostic Control Panel 400
T2-weighted MRI shows promise for body composition analysis
By Kate Madden Yee
Using deep learning with T2-weighted MR imaging is a feasible way to assess patients' body composition, researchers have reported.
February 21, 2025
Fat Tissue Adipocytes
LUS reliable for care strategies in infants with RDS
By Amerigo Allegretto
Lung ultrasound (LUS) scoring is reliable for determining whether preterm newborns need surfactant for suspected respiratory distress syndrome (RDS).
February 20, 2025
1Each lung has been split into three parts. Each area has been given a score between 0 and 3. Score values are shown in Ultrasonograms to match 4 different patterns. During a longitudinal scan with a high-resolution linear probe, pictures of patterns were taken. The scores are as follows: 0 means A pattern, 1 means B pattern, 2 means severe B pattern, and 3 means extended consolidation. Images available for publishing under a creative commons license, CC BY-NC-ND 4.0.
PSMA-PET tracer performs well in clinical trial
By Will Morton
PET/CT imaging with a new gallium-68-based prostate cancer radiotracer shows promise for detecting recurrent metastatic disease.
February 20, 2025
(A) Representative maximum-intensity projection and selected PET/CT images (fused, PET and CT only) of patient with metastatic prostate cancer at 1 hour after injection. (B and C) Low uptake of Ga-68 PSMA-R2 in salivary and submandibular glands is also demonstrated. (D) Images show heterogeneous uptake of Ga-68 PSMA-R2 with varying degrees of intensity in multiple spine bone lesions (vertebral sclerotic lesion with intense PSMA-R2 expression at its periphery indicated with red arrow). HU = Houndsfield unit; SUVbw = body-weight SUV. Images and caption courtesy of the Journal of Nuclear Medicine.
CT best for diagnosing suspected wooden foreign objects in the eye
By Kate Madden Yee
CT imaging is best for diagnosing suspected intraorbital wooden foreign bodies, although MR imaging does offer valuable supplementary information.
February 20, 2025
A 7-year-old boy, imaged 15 hours post-injury. Axial CT images with soft tissue windows (WW/WL=350/50) (a) reveal a rod-shaped foreign body (white arrow) situated along the course of the right inferior rectus muscle. The soft tissue window demonstrates that the foreign body exhibits attenuation similar to orbital emphysema. Axial CT images (WW/WL=1000/−200) at the same level (b) show that the attenuation of the foreign body (white arrow) is markedly different from that of the air in the sinuses. Image and caption courtesy of Dapeng Hao, MD, also of the Affiliated Hospital of Qingdao University.
ACS: Fewer Black men are dying from cancer
By Liz Carey
Black men in the U.S. between the ages of 40 and 59 experienced a 65% to 67% decline in cancer mortality between 1999 and 2022, according to 2025 ACS statistics.
February 20, 2025
Cancer Cell Target2
Insurance influences which type of fibroid treatment a woman undergoes
By Kate Madden Yee
Whether a woman is covered by Medicare or by commercial insurance appears to influence the type of treatment she will likely undergo for uterine fibroids.
February 19, 2025
Fibroid
Lung biomarkers inform patient selection for EBUS-TBNA
By Amerigo Allegretto
Lung imaging biomarkers can inform patient selection for endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA).
February 19, 2025
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Are white-matter hyperintensities found on MRI biomarkers for TBI?
By Kate Madden Yee
White-matter hyperintensities found on high-resolution FLAIR images on 3-tesla MRI aren't necessarily biomarkers for mild traumatic brain injury (TBI).
February 19, 2025
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