Eric Barnes

CT
Low-dose CT again finds early, curable lung cancers
A Canadian lung cancer screening study has found, once again, that thin-section CT screening identifies small resectable lung cancers in time to potentially cure the disease. Researchers from the University of Toronto in Canada participated as an International Early Lung Cancer Action Program (I-ELCAP) trial center, and used ELCAP criteria to guide follow-up and intervention of their cohort of smokers and former smokers.
November 12, 2007
CT
Five-modality Munich trial finds high sensitivity for OC, VC
A virtual colonoscopy screening trial performed entirely on 64-detector-row CT found clinically significant polyps nearly as accurately as optical colonoscopy, researchers report. The Munich Colorectal Cancer Prevention Trial incorporated five separate colorectal cancer screening modalities in the same screening cohort. The researchers presented their results at the recent 2007 International Symposium on Virtual Colonoscopy in Boston.
November 11, 2007
2007 11 07 10 38 00 706
CT
AuntMinnie.com Virtual Colonoscopy Insider
November 6, 2007
CT
VC in elderly patients yields extracolonic advantage
Virtual colonoscopy is a valuable screening tool in symptomatic individuals age 70 and older, yielding diagnostic benefits far beyond the scope of barium enema exams, which remain common in the U.K. due to staffing and equipment issues, researchers report in this month's American Journal of Roentgenology.
November 6, 2007
CT
64-slice MDCT highly accurate for stenosis detection
A study presented at today's American Heart Association (AHA) meeting in Orlando found 64-slice CT to be nearly as accurate as invasive catheter-based angiography for detecting coronary artery stenosis. The researchers from Johns Hopkins University in Baltimore recruited 291 men and women 40 years and older with suspected coronary artery disease. CTA depicted 98% of coronary vasculature with diagnostic image quality, they reported.
November 4, 2007
2007 11 05 13 25 04 706
Image-Guided Surgery
New solutions speed convergence of imaging and surgery
Creating an efficient operating or interventional suite that enables many different specialists to use advanced imaging technologies is no simple task. But developing a workable environment for interdisciplinary collaboration that addresses the needs of all participants is critical, according to Elizabeth Beckmann of the U.K. consulting firm Lanmark and architect Bill Rostenberg of the San Francisco firm Anshen + Allen.
November 4, 2007
2007 10 31 11 12 58 706
CT
Measuring lung nodule growth beyond variability
Two recent studies focused on measuring solitary pulmonary nodule (SPN) growth, with the first assessing the precision of semiautomated volume measurements at low-dose multidetector-row CT. In the second, researchers discuss the evidence-based decision to follow up or resect SPNs based on volume doubling time, and accounting for measurement variability.
November 4, 2007
2007 10 31 09 46 13 706
CT
AuntMinnie.com CT Insider
October 30, 2007
CT
BAC prominent in ground-glass opacities
Histopathology data are uncommon in CT lung imaging studies, owing to the risks, costs, and high threshold of suspicion required to sample imaging findings. But a new study from researchers in South Korea got the goods on 53 ground-glass opacities (GGOs) in 49 patients who underwent resection or biopsy. The results yielded a majority of bronchoalveolar cell carcinomas, combined with other less common findings, according to the authors.
October 21, 2007
CT
Italian multicenter VC trial screens higher-risk cohort
BOSTON - One of the largest virtual colonoscopy trials ever aimed at a higher-risk screening population has yielded good results across 12 sites in Italy. Researchers presented the first results of the study on Tuesday at the International Symposium on Virtual Colonoscopy.
October 16, 2007
2007 10 16 22 00 59 706
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New benchmark helps monitor cumulative CT radiation dose
The findings highlight the need for systematic dose tracking and rigorous justification of imaging.
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Radiation Oncology/Therapy
Study questions routine use of radiotherapy after bone surgery
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Ultrasound
CEUS outshines color Doppler imaging for 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
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New procedure shows promise reducing knee osteoarthritis pain
By Will Morton
Genicular artery embolization can improve pain and knee function for at least three months in patients with knee osteoarthritis.
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Angiograms of the right knee in a 76-year-old man with knee osteoarthritis. A) Before embolization, selective angiography of the common trunk of the superior lateral and superior medial genicular arteries shows hypervascular inflammatory blush (arrows). B) During embolization using ethiodized oil of the common trunk, the angiogram shows emulsion droplets (arrows). Image courtesy of Diagnostic and Interventional Imaging.
Lymphoscintigraphy underused in the U.S. to diagnose lymphedema
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AI imaging bias reduces diagnostic accuracy
By Amerigo Allegretto
Systematically biased AI imaging models lower diagnostic accuracy by over 11 percentage points.
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New portable PET scanner tested in humans
By Will Morton
Brain imaging with a newly developed portable PET scanner appears feasible, with a comparison to conventional PET imaging revealing similar results in human subjects.
December 19, 2023
A visual abstract describing a comparison between a portable PET scanner and standard PET scanner. Image courtesy of the Journal of Nuclear Medicine.
Intention to leave position higher among academic radiologists
By Amerigo Allegretto
Radiology is among medical specialties at higher risk of physician turnover.
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PSMA-PET shows promise in patients with IBD
By Will Morton
PET scans typically used for diagnosing prostate cancer may have value in detecting inflammatory bowel disease (IBD).
December 18, 2023
F-18 DCFPyL PET/CT demonstrating abnormally increased uptake in the descending colon (identified by red arrows), sigmoid colon, and rectum corresponding to findings on endoscopy. (A) F-18 DCFPyL PET/CT uptake in the descending colon on a coronal plane. (B) Axial CT image with arrows identifying active inflammation in the descending colon. (C) Axial PET imaging arrows identifying active inflammation in the descending colon. (D) Axial F-18 DCFPyL PET/CT fusion imaging identifying active inflammation in the descending colon. Image courtesy of Clinical and Experimental Gastroenterology.
Endobronchial ultrasound good for pulmonary hypertension screening
By Amerigo Allegretto
Endobronchial ultrasound may be used as a screening test for pulmonary hypertension in high-risk patients.
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Bone scans support high-velocity resistance training in older adults
By Will Morton
Dual-energy x-ray absorptiometry scans show that high-velocity resistance training increases bone mineral density in older adults.
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AI shows promise detecting TB in Zambia
By Will Morton
An AI algorithm developed by Google shows potential as a scalable triage test for active pulmonary tuberculosis (TB) in settings with limited resources.
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Researcher talks radiologist productivity study with AuntMinnie.com
By Amerigo Allegretto
Aditya Khurana, MD, from the Mayo Clinic in Rochester, MN, discussed results from a study he presented at RSNA 2023 on radiologist productivity.
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MRI radiomics features help predict Alzheimer's progression
By Kate Madden Yee
Adding MRI features to clinical ones in a machine learning model can help predict the progression of Alzheimer's disease among those with early disease, according to a study published on December 13 in Alzheimer's & Dementia.
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Safety net hospital provides equitable care in breast screening
By Amerigo Allegretto
Safety net hospitals provide equitable care in breast cancer screening in terms of race and ethnicity.
December 14, 2023
Breast Mammography Tech
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