Eric Barnes

CT
CAD prototype improves VC for inexperienced readers
A pilot virtual colonoscopy study using mostly inexperienced readers found that computer-aided detection (CAD) significantly improved sensitivity for colorectal polyps while increasing the false-positive rate for some readers.
April 23, 2006
CT
MDCT correlates ACS to mixed plaques
MDCT can identify coronary plaque type in most patients with suspected coronary artery disease, and even correlate mixed plaque composition with acute coronary syndrome (ACS) presentations, according to a pilot study from Austria.
April 19, 2006
2006 04 19 14 34 12 706
CT
Part I: Automated CT lung nodule assessment advances
In the first installment of our two-part series, researchers assess the critical issue of volumetry in a number of ways, ranging from automated versus manual nodule measurement to volumetry using different reconstruction parameters, to measurement accuracy of compressed datasets.
April 16, 2006
2006 04 12 09 40 55 706
CT
MDCT a good alternative to TTE for aortic stenosis
Multidetector-row CT is highly sensitive for identifying patients with degenerative aortic stenosis, providing excellent correlation with transthoracic echocardiography in quantifying disease extent, according to researchers from Austria.
April 13, 2006
CT
AuntMinnie.com CT Radiology Insider
April 11, 2006
CT
Rare venous malformations look like polyps on VC
A colorectal cancer screening patient presented with multiple venous malformations that were initially mistaken for neoplastic polyps on virtual colonoscopy, according to a case report published in this month's American Journal of Roentgenology.
April 11, 2006
2006 04 11 15 53 06 706
CT
Cardiac imaging dazzles, but radiologists can't compete alone
Noninvasive cardiac imaging modalities, especially CT and MRI, have transformed the face of cardiac imaging in recent years, opening up an all-but-limitless future for detecting and managing heart disease. But in the long run, radiologists cannot succeed without formal and significant ties to cardiologists, according to a presentation at the recent European Congress of Radiology (ECR).
April 9, 2006
CT
VC CAD improves results for readers at all levels
Virtual colonoscopy computer-aided detection (CAD) studies in recent years have shown promising results for the detection of colorectal polyps and cancer. But do CAD results actually improve reader performance? A group of radiologists in the U.K. sought to answer the question by assessing how VC CAD affects patient classification, polyp detection, and reading times. They found that VC CAD improved reader performance -- significantly and fairly evenly -- at all levels.
April 6, 2006
2006 03 31 13 34 08 706
Cardiac Imaging
AuntMinnie.com Cardiac Imaging Radiology Insider
April 4, 2006
CT
AuntMinnie.com Virtual Colonoscopy Radiology Insider
April 2, 2006
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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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MRI
Unclear explanations of contrast MRI exams heighten patient anxiety
Mammo Reading 400
Womens Imaging
Mammography screening improves survival for late-stage cancers
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Ultrasound MinnieCast, Episode 2: Body imaging with RUS-PAT
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7 malpractice risks in radiology and how to mitigate them
By Kate Madden Yee
Malpractice suits may be an unfortunate reality for radiologists, but although they are a threat, they may also present an opportunity to improve imaging protocols.
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PET radiomics model identifies high-risk lymphoma patients
By Will Morton
A group in the Netherlands has built a radiomics model using FDG-PET scans that predicts disease-free survival odds in patients with relapsed lymphoma.
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Technicians have 'flexibility' during lumbar spine bone scans
By Will Morton
Different hip flexion angles have little influence on lumbar spine bone mineral density measurements using dual-energy x-ray absorptiometry.
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Rare finding detected on PSMA-PET: A nonprostatic lung tumor
By Will Morton
A group in Australia has described a rare finding during a prostate cancer restaging PET/CT scan – a pulmonary tumor embolism.
September 25, 2023
Hybrid contrast-enhanced CT (with iodinated contrast bolus timed to maximize pulmonary arterial visualization) and F-18 DCFPyL PSMA-PET images. Contrast CT images (A, B) show an eccentric filling defect in the superior lingula segmental artery of the left lung upper lobe (red arrow). This is concordant with moderately intense PSMA radiotracer expression (black arrows on axial PET-only images, C, and on whole-body maximum intensity projection image, E). Fused PET and contrast-enhanced CT axial image (D) also confirm the lesion (red arrow). No other site of PSMA expressing metastasis is evident on whole-body imaging (E).
American Indians, Alaskan Natives carry higher heart disease burden
By Kate Madden Yee
American Indian and Alaska Native Medicare beneficiaries carry a higher burden of cardiovascular disease -- with nearly 50% of them diagnosed with it.
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Most cancers detected on breast screening MRI are invasive
By Amerigo Allegretto
MRI screen-detected breast cancers are most often invasive, according to research published September 22 in Clinical Breast Cancer.
September 25, 2023
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Mixed reality tech doesn't distract most neurosurgery staff
By Amerigo Allegretto
Most nonsurgical neurosurgical operating room members don’t feel distracted or disrupted by mixed reality components.
September 22, 2023
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Does the PI-RADS update change prostate cancer treatment staging?
By Kate Madden Yee
PI-RADS upgrade and downgrade rates from targeted MRI biopsy to radical prostatectomy haven't changed between PI-RADS version 2.0 and 2.1.
September 22, 2023
62-year-old patient with serum PSA level of 4.11 ng/mL. Prostate MRI shows lesion in left midanterior transition zone. Lesion (arrow) shows hypointensity on T2-weighted image (A), hyperintensity on high b-value DWI (B), hypointensity on ADC map (C), and focal early enhancement on dynamic contrast-enhanced image (D). Lesion was assessed as category 4 using PI-RADS version 2.1 MRI-targeted biopsy of lesion revealed prostate adenocarcinoma with ISUP grade group 2. At subsequent radical prostatectomy performed 6 months after biopsy, ISUP grade group was upgraded to 3. ISUP, International Society of Urogenital Pathology. Image courtesy of AJR.
POCUS shows success in cave rescues
By Amerigo Allegretto
Point-of-care ultrasound (POCUS) showed success in two rescue operations from caving accidents.
September 22, 2023
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Is Pylarify better than Ga-68 PSMA-11 for prostate cancer imaging?
By Will Morton
Subtle differences in how PSMA-PET radiotracers perform in patients before Pluvicto treatment may determine which become the future tracers of choice.
September 22, 2023
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Income level impacted countries' cardiac imaging rates post-COVID
By Kate Madden Yee
A country's income level appears to have impacted the recovery of its cardiac imaging rates after declines during the COVID-19 pandemic, researchers have found.
September 22, 2023
Heart Hologram Virtual Social
Low-dose radiation damages DNA in interventional radiologists
By Will Morton
Long-term exposure to low-dose radiation can cause DNA damage to lymphocyte cells in interventional radiologists.
September 21, 2023
Dna
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