Eric Barnes

CT
AuntMinnie.com Virtual Colonoscopy Insider
July 28, 2008
CT
FOBT-screened cohort yields too many positives for VC
Virtual colonoscopy (VC) seems a promising way to sort through patients with a positive fecal occult blood test (FOBT), considering the latter's demonstrated low sensitivity and high false-positive rate. But in a screening cohort from the Netherlands, polyps and cancer were so common in FOBT patients that VC hardly seemed worth it.
July 27, 2008
CT
Coronary calcium increases mortality risk in elderly
The presence of coronary artery calcium substantially increases the risk of death among the elderly, a risk that increases with rising calcium burden, according to the first large study aimed at assessing the risk of elderly patients with coronary artery disease.
July 22, 2008
CT
Modest mortality gains in CT lung screening model
CT screening for lung cancer may provide a moderate reduction in lung cancer mortality among smokers, according to a study in the July issue of Radiology. The reduction in deaths from all causes due to screening was modest, however, due to competing causes of death among smokers of increasing age.
July 21, 2008
CT
Higher VC laxative dose burdens patients, doesn't improve reads
Researchers from the Netherlands report that higher levels of catharsis conferred neither better image quality nor improvement of tagging characteristics on image data, compared to images from subjects given lower laxative doses.
July 15, 2008
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Image Processing
New algorithm sharpens coronary artery images
Researchers at the recent Computer Assisted Radiology and Surgery (CARS) meeting in Barcelona, Spain, presented new work that aims to simplify the difficult task of evaluating coronary artery images.
July 13, 2008
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Cardiac Imaging
AuntMinnie.com Cardiac Imaging Insider
July 8, 2008
Digital X-Ray
AHA urges cautious use of coronary CTA and MRA
A new American Heart Association (AHA) committee statement on the use of coronary CT angiography and MR angiography recommends against screening asymptomatic individuals for coronary artery disease.
July 8, 2008
CT
Fourth-generation MDCT scanners do cardiac differently
Once upon a time, CT scanners were all pretty similar under the hood, and performance in a given application was predictable across brands. Today's state-of-the-art MDCT scanners take widely divergent approaches to difficult imaging targets and produce different results depending on the application.
July 7, 2008
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AI
All-purpose CAD tool stretches imaging boundaries
The NavI-CAD system discussed by Kensaku Mori, Ph.D., at the 2008 Computer Assisted Radiology and Surgery (CARS) meeting in Barcelona, Spain, is still a work in progress. But a decade of research on the landmark project has yielded a useful set of advanced imaging tools.
July 6, 2008
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Digital X-Ray
Chest x-rays reveal atherosclerosis in patients undergoing amputations
Lower limb amputation is an increasingly common major complication of advanced peripheral arterial disease and diabetes mellitus.
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?
Axial contrast-enhanced CT scan in a 28-year-old premenopausal woman shows an incidentally detected solid-appearing left ovarian lesion (solid arrow) anterior to the uterus (U), associated with trace ascites in the right adnexa and cul de sac (dashed arrows). At pathologic analysis, this was shown to be ovarian dysgerminoma. Two readers misdiagnosed this lesion, one as a leiomyoma and one as an ovarian fibroma.
CT
Clinicians, beware: CT diagnostic accuracy varies by adnexal lesion type
Erin Stephens
Practice Management
Radiology coding update for 2026
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F-18 FDG-PET and MRI scans of three patients. (A.1-B.1) F-18 FDG-PET (A1 sagittal PET; B1 transaxial fused PET/CT) showing intense hypermetabolism in the lower thoracical spinal cord (blue arrow). (C.1) Transaxial MRI-scan (T1_TSE_FS) showing no abnormal gadolinium enhancement in the lumbar spinal cord (blue arrow). (A.2-B.2) F-18 FDG-PET (A2 sagittal PET; B2 transaxial fused PET/CT) showing hypermetabolism in the cervical spinal cord (blue arrow). (C.2) Transaxial MRI scan (T1_TSE_FS) showing no abnormal gadolinium enhancement in the cervical spinal cord (blue arrow). (A.3-B.3) F-18 FDG-PET (A3 sagittal PET; B3 transaxial fused PET/CT) showing bilateral hypermetabolism the precuneus region (blue arrow). (C.3) Transaxial MRI scan (T1_MPRAGE) showing no abnormal gadolinium enhancement in precuneus region (blue arrow). Image courtesy of Neurological Research and Practice.
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Workflow diagram showing real-time lung ultrasound segmentation with U-Net. Images available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of Ultrasonics.
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