Eric Barnes

CT
CTA finds serious incidental findings after CABG surgery
Nearly one-fifth of patients undergoing coronary artery bypass graft surgery (CABG) had potentially serious incidental findings at CT coronary angiography (CTA) performed after the procedure, according to a new study from U.S. researchers.
August 5, 2007
AI
Breast CAD results vary based on mammography view
If you count on your computer-aided detection (CAD) application to help you find breast lesions, you might want to pay attention to which mammography projections your CAD actually marked. And then look at them both again. A study from the Elizabeth Wende Breast Clinic in Rochester, NY, found CAD to be more sensitive for cancer detection in craniocaudal (CC) images than in mediolateral oblique (MLO) views, although CC views also produced more false-positives.
August 5, 2007
2007 08 01 10 16 18 706
Ultrasound
Giant virtual reality chamber boosts 3D echo accuracy
Have you ever diagnosed a three-foot-tall 3D heart? Talk about cardiomegaly. Researchers from the Netherlands who survived the experience found they could diagnose valve defects that went unnoticed in a standard 2D exam. At the 2007 Computer Assisted Radiology and Surgery (CARS) meeting in Berlin, Anton Koning, Ph.D., from Erasmus University Medical Center in Rotterdam discussed how 3D visualizes complex pathology of the heart and how image display can be improved with different kinds of VR (virtual reality) systems.
August 1, 2007
2007 08 01 13 56 47 706
Image-Guided Surgery
Computer-assisted MR guidance improves prostate biopsy
An automated prostate biopsy system based on real-time guidance with high-field MRI earned high scores for accuracy and image quality, according to German researchers. They found that using a transgluteal needle approach to the prostate with the patient prone was accurate and safe when used in combination with the pneumatically driven needle positioning system.
July 30, 2007
2007 07 27 16 11 52 706
CT
Careful reading boosts virtual colonoscopy results
It is observer error, not technical inadequacy, that produces the lion's share of missed lesions at virtual colonoscopy. A careful review of the 2004 Rockey trial results suggests that better training and careful reading could have significantly improved the trial's disappointing results.
July 25, 2007
Digital X-Ray
Patient particulars, subtle clues steer cerebrovascular exam decisions
With cerebrovascular imaging, choosing an exam modality such as CT angiography (CTA), MR angiography (MRA), ultrasound, or digital subtraction angiography (DSA) may hinge on a patient's age, sex, medical history -- or when all else fails, a hunch.
July 22, 2007
2007 07 18 09 48 12 706
CT
AuntMinnie.com CT Insider
July 17, 2007
CT
Just say 'eee' for neck CT
For maximizing airflow and air contrast, having patients hold their breath and form an "eee" with their mouths during MDCT acquisition really opens up the airways, optimizing the visualization of mucosa while imaging the larynx, pharynx, and the rest of the neck, according to researchers from Vanderbilt University in Nashville, TN.
July 17, 2007
2007 07 17 15 53 45 706
CT
Researchers scrutinize CTA for pulmonary embolism
More likely than not, a patient with unexplained shortness of breath or other symptom suggestive of pulmonary embolism (PE) will be sent for CT pulmonary angiography (CTPA) to rule it out. CT is fast and it does the job when vessels are examined systematically, but its false-positive rate can be high when combined with a low clinical probability of PE. Recent studies have shed new light on the use of CT in cases of suspected PE.
July 15, 2007
CT
Chest CT a handy adjunct to breast MR
Dedicated breast CT scanners aren't on the market yet, or even close to market, truth be told. But breast CT happens every day -- with every chest and cardiac CT exam -- and it's the radiologist's job to read the scan for the frequent incidental findings it can yield. CT can even be used to guide breast intervention in some cases, according to Dr. Jeffrey Mendel of Caritas St. Elizabeth's Medical Center in Boston.
July 10, 2007
2007 07 10 14 36 11 706
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MRI
Cardiac MRI-based ML model predicts MACE risk for STEMI patients
A machine-learning (ML) model based on cardiac MRI and clinical parameters performed well in a study of STEMI patients.
Emergency Entrance
Digital X-Ray
Low-value x-ray persists in patients with maxillofacial trauma
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'Quadruple low' PCCT protocol improves lung cancer imaging
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New benchmark helps monitor cumulative CT radiation dose
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Radiation Oncology/Therapy
Study questions routine use of radiotherapy after bone surgery
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Are patients getting recommended imaging follow-up?
By Liz Carey
Patients who need imaging follow-up but don't get it due to health-related social needs obstacles require support, according to a presentation at RSNA 2023.
December 4, 2023
Andrew Cuyegkeng and a team of University of California, Irvine (UCI) health equity researchers concluded that financial hardship and health-related social needs are common among those who miss their radiology appointments.
Canon highlights new CT scanners, workflow automation at RSNA 2023
By Kate Madden Yee, Erik L. Ridley
Canon Medical Systems unveiled two new CT scanners and a wide range of other offerings in its booth at RSNA 2023.
December 1, 2023
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New CT, MR scanners and AI top GE HealthCare highlights at RSNA 2023
By Erik L. Ridley
GE HealthCare (GEHC) brought new CT and MRI scanners and a range of AI software applications to McCormick Place for RSNA 2023.
December 1, 2023
GE HealthCare's new Revolution Ascend CT scanner.
AI expert Hugh Harvey gives key takeaways from RSNA 2023
By Philip Ward
Hugh Harvey, MD, managing director of Hardian Health in the U.K., has a list of nine take-home messages from RSNA 2023 about AI to consider.
December 1, 2023
Harvey Hugh
Wendie Berg talks CEM with AuntMinnie.com
By Amerigo Allegretto
Wendie Berg, PhD, from the University of Pittsburgh discussed CEM studies she presented at RSNA 2023 with AuntMinnie.com.
December 1, 2023
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Deep-learning model measures shoulder kinematics on DDR
By Will Morton
An AI algorithm may make dynamic digital radiography (DDR) more efficient by automatically measuring kinematics involved in certain shoulder injuries.
December 1, 2023
Shoulder
ChatGPT-4.0 bests other large language models on ACR exam questions
By Amerigo Allegretto
ChatGPT-4.0 performs well on the image-independent American College of Radiology (ACR) Diagnostic In-Training Exam practice questions.
December 1, 2023
Ai Woman 400
CEM confirms effectiveness of cryoablation
By Amerigo Allegretto
Contrast-enhanced mammography (CEM) confirms the effectiveness of ultrasound-guided cryoablation and could serve as a reliable annual follow-up exam.
December 1, 2023
Federica di Naro, MD, from Azienda Ospedaliero-Universitaria Careggi in Italy discusses her team's results at RSNA, showing that contrast-enhanced mammography (CEM) confirms the effectiveness of cryoablation and can serve as a valuable follow-up exam tool.
Video from RSNA 2023: AI and opportunistic screening
By Erik L. Ridley
In a video interview, Perry Pickhardt, MD, of the University of Wisconsin in Madison discusses the promise of AI body composition analysis for enabling opportunistic screening.
November 30, 2023
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Video from RSNA 2023: Radiology AI in U.S. vs. Europe
By Erik L. Ridley
In a video interview, Prof. Erik Ranschaert, PhD, past president of the European Society of Medical Imaging Informatics, describes how radiology AI is being developed and implemented in the U.S. and Europe.
November 30, 2023
2023 11 30 Rsna Interview Erik Ranschaert
Video from RSNA 2023: How to recruit, retain radiologists
By Erik L. Ridley
In a video interview, Sandy Coffta and Rebecca Farrington of Healthcare Administrative Partners offer suggestions on how radiology practices can handle the challenges associated with recruiting and retaining radiologists.
November 30, 2023
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Siemens touts ultrasound and CT scanners, generative AI at RSNA 2023
By Erik L. Ridley and Will Morton
A new dual-source CT scanner, ultrasound system, and generative AI technology were among the highlights for Siemens Healthineers at RSNA 2023.
November 30, 2023
Siemens Rsna 2021 Social
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