Eric Barnes

CT
CT finds differences in omental infarction between children, adults
Omental infarction is an uncommon cause of severe abdominal pain in both children and adults. It rarely requires surgery, but it can be mistaken for other conditions, such as acute appendicitis, that do need quick intervention. Thus correct diagnosis is critical. Researchers from Pittsburgh examined CT images from omental infarction patients and found predictable patterns and presentations that could speed diagnosis and decision-making, and perhaps avoid unnecessary intervention.
January 2, 2007
2007 01 02 15 01 04 706
CT
Teaching parents about CT risks might pare unnecessary scans in kids
Doctors rarely tell parents about the radiation risks associated with CT imaging of pediatric patients, and understandably so. Time is in short supply and the subject is complex. But a pilot study in Colorado found that parents can be easily educated about radiation risks with the aid of a short brochure -- and that they react quite well to what they learn. Knowing CT scans aren't risk-free might even reduce some of the demand for CT in situations where it might not be needed, according to the researchers.
December 27, 2006
2006 12 28 08 41 48 706
Image Processing
Advanced visualization alone reduces coronary CTA accuracy
Radiologists using advanced visualization software to get the best coronary CT angiography (CTA) results might want to take another look. Radiologists in Germany and the U.S. have concluded that reading CTA data using advanced visualization techniques alone can miss many relevant stenoses that would have been found with a glance at the native CT data.
December 21, 2006
2006 12 18 10 33 47 706
CT
Colon cancer screening reimbursement yields earlier-stage diagnosis
A study of older Americans has found that better access to screening colonoscopy since 1998 has led to the detection of more right-sided and early-stage colorectal cancers. The findings suggest that reimbursement for colorectal cancer screening may significantly, and perhaps cost-effectively, reduce mortality from the disease.
December 18, 2006
Digital X-Ray
AuntMinnie.com Cardiac Imaging Insider
December 17, 2006
CT
Low incidence of serious extracolonic findings seen in VC screening population
One of the largest studies to date of asymptomatic virtual colonoscopy screening subjects found critical extracolonic findings in almost 3% of the patients, adding about $138 to the cost of screening for each patient. Researchers from the University of Wisconsin in Madison analyzed Medicare and private-practice billing records for the 2,195 individuals screened in the study.
December 17, 2006
2006 12 12 17 21 45 706
Interventional
High-field MRI of the brain safely acquired in pacemaker patients
With the increasing number of implanted pacemakers, too many patients who need an MRI can't be scanned with the modality. Or can they? Researchers from the University of Bonn in Germany put scores of pacemakers to the test on a 3-tesla scanner, and found no significant heating or degradation of function.
December 14, 2006
CT
AuntMinnie.com Virtual Colonoscopy Insider
December 12, 2006
Image Processing
Virtual dissection reading method finds the same polyps faster
A virtual colonoscopy reading method that unrolls, opens, and displays the colon as a flat 3D model allowed readers in a recent study to find the same polyps they found in 2D or regular 3D endoluminal viewing, only faster. Still, double reading beat any single-display technique in lesion detection.
December 11, 2006
2006 12 11 14 59 16 706
CT
Inflammatory view: Imaging blind to plaque risk
There is no vulnerable plaque, only the vulnerable patient. Besides, most plaque is extraluminal, though just as deadly, and therefore all but invisible to lumen-based imaging methods. As a result, the vulnerability of patients rests more on the likelihood of plaque rupture than on the risk of occlusive vascular disease, according to a recent talk by Dr. Steven Nissen from the Cleveland Clinic Foundation in Ohio.
December 6, 2006
2006 12 06 13 39 37 706
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Molecular Imaging
PET predicts faster cognitive decline in women than men
Women initially outperformed men at low brain tau levels, but the advantage diminished as tau levels increased over time.
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Mammography screening improves survival for late-stage cancers
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Three regions of interest (ROI) were selected and processed for training from each original radiograph. The leftmost image is the original coronal view radiograph. The original radiograph was passed through the CLAHE algorithm to enhance image brightness and contrast. The three crop boxes outlined by red dotted lines illustrate the three crops generated for model training. Crop 1 selects the ROI for the whole-spine region according to coordinates exported by AlignProCARE. Crops 2 and 3 select the ROIs for the upper and lower end vertebra of the major curvature. All ROIs were subsequently resized into 256 × 256 for Crop 1 and 50 × 50 for Crop 2 and 3. Crop 1 ROI was additionally multiplied by a Gaussian mask to amplify the signal of the vertebrae. Image courtesy of the Global Spine Journal.
Radiologist talks addressing lay media with AuntMinnie.com
By Amerigo Allegretto
Omer Awan, MD, discussed how radiologists should be more proactive in communicating accurate medical information to lay media with AuntMinnie.com.
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IMV: Hospital-based procedures drive CT procedure volume growth
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CT procedure volumes increased 9.1% from 2022 to 2023, according to IMV’s recently published 2023 CT Market Outlook Report, due in large part to hospital-based procedures.
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Interventional radiologists are few and far between in the U.S.
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Breast cancer risk after false-positive mammography differs by patient
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Many patients indifferent about breast radiologist attire
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Breast radiologists can wear a variety of attire without negatively affecting patient expectations or affecting patient perception of radiologists' professionalism.
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CT radiomics help characterize retroperitoneal sarcomas
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Amy Patel talks 'wish list' with AuntMinnie.com
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Amy Patel, MD, talked to AuntMinnie.com about her wish list, outlining what she wants to see when it comes to breast imaging between now and 2024's Breast Cancer Awareness Month.
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