Eric Barnes

CT
Minimal-prep VC gets new boost from dual-energy CT
A new dual-energy CT electronic cleansing technique thoroughly outperformed an advanced single-source CT cleansing method in virtual colonoscopy in a recent study. The technique eliminated many common artifacts that have plagued investigational electronic cleansing techniques.
July 20, 2010
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CT
Mayo method enables perfusion CT in a fraction of the dose
A new image-processing algorithm gives radiologists everything they need to diagnose perfusion CT images using up to 95% less radiation, according to research presented at this week's American Association of Physicists in Medicine meeting in Philadelphia.
July 19, 2010
CT
Workstations deliver divergent soft-plaque results in CCTA
Measurements of soft-plaque volumes calculated on different software platforms following cardiac CT angiography (CCTA) exams can vary widely, according to a study presented this week at the Society of Cardiovascular Computed Tomography meeting in Las Vegas.
July 19, 2010
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CT
AuntMinnie Virtual Colonoscopy Insider
July 14, 2010
CT
Requiring prone and supine CAD marks boosts VC results
Radiologists detect more polyps when computer-aided-detection (CAD) software is required to mark lesions on both prone and supine views at virtual colonoscopy before findings can be deemed positive, according to a new study in Academic Radiology.
July 13, 2010
Nuclear Medicine
High cardiac imaging doses seen in U.S. population
A study of nearly 100,000 U.S. patients who underwent cardiac imaging found that the procedures were associated with "substantial" doses of ionizing radiation in potentially large numbers of patients, according to results published online Thursday in the Journal of the American College of Cardiology.
July 8, 2010
Ultrasound
Ultrasound finds high heart disease risk in some low-risk women
Being identified as low risk on the Framingham cardiac risk assessment might convey a false sense of security if women are obese or have metabolic syndrome, say researchers from Massachusetts General Hospital in Boston.
July 6, 2010
CT
Wide-array CT reduces dose, improves images of thoracic aorta
Wide-detector-array CT holds a number of advantages for scanning the thoracic aorta, including wider anatomic coverage of the heart and aorta, less contrast use compared to traditional scanners, and lower radiation dose, according to two studies from the Cleveland Clinic Foundation.
July 6, 2010
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CT
CO2 volumes higher than previous reports in VC
Using more CO2 to insufflate the colon during virtual colonoscopy doesn't produce better distention, but patients with ileocecal valve incompetence -- most patients presenting for screening -- require more insufflation, say researchers from Ireland.
July 5, 2010
CT
Smoking associated with flat polyps at colonoscopy
Smoking is strongly associated with the presence of flat adenomas, and those who smoke are also likely to have larger flat adenomas, according to research from Stony Brook University Medical Center. The group says its results are the first to associate smoking with flat colorectal lesions.
June 30, 2010
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CT
Video: Perry Pickhardt on CTC, the 'best kept secret in medicine'
Perry Pickhardt, MD, offers an overview of the important role CTC can play in colorectal cancer screening.
Breast Cancer
Molecular Imaging
Experts issue appropriate use criteria for molecular breast imaging
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MRI
fMRI: Cognitive behavioral therapy positively affects the brain
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Practice Management
Post Cures Act, outpatients access radiology reports faster
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MRI
MRI may help guide brachial plexus surgery
More in Home
Low-dose PEM shows promise in breast cancer detection
By Amerigo Allegretto
Low-dose positron emission mammography (PEM) can detect invasive breast cancer in a feasible manner.
February 9, 2024
Images obtained in a 50-year-old female patient with a new biopsy-proven malignant lesion in the left breast. (A) Craniocaudal mammogram of the right breast does not show any lesion. (B) The malignant lesion corresponds with a 7-cm irregular and spiculated mass on the left craniocaudal mammogram. Ultrasound-guided core-needle biopsy revealed grade 2 invasive lobular carcinoma. (C) The bilateral positron emission mammographic craniocaudal color image obtained one hour after intravenous injection of 185 MBq of F-18-labeled fluorodeoxyglucose (F-18 FDG) shows a mass with intense uptake in the left breast with known cancer and no abnormal uptake in the right breast. Positron emission mammographic craniocaudal images of the left breast obtained (D) one hour and (E) four hours after intravenous injection of 185 MBq of F-18 FDG show no substantial visual difference in uptake of the known cancer. (F) Axial contrast-enhanced fat-saturated subtracted T1-weighted MR image with maximum intensity projection reconstruction obtained 90 seconds after intravenous injection of 0.1 mmol of gadolinium-based contrast material per kilogram of body weight also shows the enhancing mass corresponding to known malignancy (arrow) and marked bilateral background parenchymal enhancement, with multiple nonspecific foci of enhancement in the contralateral breast. The patient opted for bilateral mastectomy, which confirmed left-sided malignancy and no malignancy in the contralateral breast. Image courtesy of the RSNA,
EVT valuable in patients requiring transit to stroke centers
By Will Morton
Endovascular thrombectomy (EVT) is effective for stroke patients who need to be transferred from hospitals where they are diagnosed to centers capable of performing the procedure.
February 9, 2024
Ambulance
PET reveals brain’s energy demands during walking
By Will Morton
A group in England has established PET imaging as a new approach for studying gait – an excellent indicator of physical, emotional, and mental health.
February 9, 2024
Data analysis validation. Panel A: Image and line profile through the bottle on scans 1 (top) and 2 (middle), and the difference image (bottom) calculated according to Equation 3. Panel B: Data from a representative participant showing the effect of the dose correction on the PETWALK image using Equation 1 when applied to co-registered images in native subject space. The images were then warped to standard Montreal Neurological Institute (MNI) space Top: PETSTAND, middle – uncorrected PETWALK, bottom – corrected PETWALK. The color bar shows image intensity across the three images. Image courtesy of NeuroImage.
AI boosts CTPA's ability to predict lung disease survival
By Kate Madden Yee
The percentage of lung fibrosis quantified on CT pulmonary angiograms (CTPA) by an AI model is associated with increased risk of mortality.
February 8, 2024
Artificial Intelligence Lung Color (1)
Music calms patients undergoing imaging procedures
By Amerigo Allegretto
Music can be calming for patients undergoing medical imaging.
February 8, 2024
Violin 400
Can new image processing methods deliver reproducible radiomics?
By Erik L. Ridley
A multinational team of researchers has developed standardized image processing techniques that show promise for significantly improving the reproducibility of AI-based radiomics analysis.
February 7, 2024
Image
EVT improves outcomes in stroke patients
By Will Morton
Endovascular thrombectomy (EVT) may improve outcomes in stroke patients compared with medical management – importantly, even when imaging suggests varying ranges of brain injury.
February 7, 2024
Stroke Evt
Researcher speaks on MyChart Mobile tool with AuntMinnie.com
By Amerigo Allegretto
Seetharam Chadalavada, MD, from the University of Cincinnati speaks with AuntMinnie.com on how a human-centered design framework led to the tool's creation.
February 7, 2024
Screenshot (1067)
MRI shows how the brain compensates for age-related cognitive decline
By Kate Madden Yee
Recent study findings shed light on how our brains compensate for cognitive decline as we age.
February 7, 2024
Image showing bilateral cuneal (magenta) and frontal cortex (brown). Courtesy of eLife/University of Cambridge.
Ultrasound waves ease pain by influencing brain areas
By Amerigo Allegretto
Focused ultrasound could help ease pain by manipulating the area of the brain that registers pain.
February 7, 2024
Ultrasound Scanner Computerized 400
Editorial criticizes breast screening guidelines, ACR responds
By Amerigo Allegretto
An editorial criticizing the U.S. Preventive Services Task Force breast cancer screening guidelines has drawn the ire of the American College of Radiology (ACR).
February 6, 2024
Mammogram Breast 400
Is interventional radiology ready for augmented reality?
By Will Morton
Augmented reality systems may enhance image-guided tumor ablations by improving the accuracy of needle placements.
February 6, 2024
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