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Eric Barnes

[email protected]
Nuclear Medicine
JAMA: CCTA generates more interventions versus stress testing
An analysis of more than 300,000 Medicare patients being evaluated for heart disease found that those who received coronary CT angiography (CCTA) were more likely to go on to invasive cardiac procedures compared with those who received myocardial perfusion scintigraphy, according to results published in the November 16 Journal of the American Medical Association.
November 14, 2011
CT
Pediatric MRI not always safer than CT
CT versus MRI -- the latter is the obvious choice for children because MRI does not use ionizing radiation, right? Actually, CT can be safer depending on the exam, say researchers eyeing the comparative risks of the modalities.
November 14, 2011
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CT
AuntMinnie.com CT Insider
November 9, 2011
CT
Road to RSNA 2011: CT Preview
Wide-area detectors, dual-source scanners, fast kV switching, and new contrast protocols that leverage CT's growing spatial and temporal resolution are important sides of the CT picture that will be showcased in presentations at the RSNA 2011 meeting in Chicago.
November 9, 2011
Road to RSNA 2011: CT Preview
CT
Mobile cloud powers CAD for colon cancer screening
Educational Exhibit | LL-INE1216 | Lakeside Learning CenterA lunchtime continuing medical education session will be held this year to demonstrate a high-resolution mobile display of virtual colonoscopy powered by a cloud-based computer-aided detection (CAD) system.
November 9, 2011
CT
Pericolonic fat associated with adenomatous polyps
Friday, December 2 | 10:30 a.m.-10:40 a.m. | SST04-01 | Room E350Patients with adenomatous colorectal polyps have higher fat volume fractions than patients without these polyps, according to a multipurpose virtual colonoscopy scan. The pairing sounds obvious enough, but researchers from Bethesda, MD, believe the results suggest that pericolonic fat itself may be the culprit behind adenoma growth.
November 9, 2011
CT
Heavy-metal contrast cuts radiation dose
Wednesday, November 30 | 3:10 p.m.-3:20 p.m. | SSM20-02 | Room S404ABCompared with some heavy metals, iodine and barium simply don't produce enough contrast in CT to optimize dose, according to medical physicist Tristan Nowak, from the Institute of Medical Physics at Friedrich-Alexander-University Erlangen-Nuremberg. In a study to be presented Wednesday afternoon, his group tested several heavy metals in phantoms in the search for an eventual replacement.
November 9, 2011
CT
2-hour prep may ease VC scheduling after optical colonoscopy
Tuesday, November 29 | 3:40 p.m.-3:50 p.m. | SSJ08-05 | Room E450BWhen a conventional colonoscopy fails to reach the cecum, virtual colonoscopy is a logical choice to complete the screening. But it can be difficult to refer these patients to VC fast enough to avoid a second bowel cleaning. Fortunately, a two-hour prep might be effective enough to spare the patient an extra trip to the clinic, according to a study being presented in a Tuesday session on VC techniques.
November 9, 2011
CT
CT perfusion quantifies neoangiogenesis in HCC tumors
Tuesday, November 29 | 11:10 a.m.-11:20 a.m. | SSG05-05 | Room E353CResearchers in Italy believe that CT perfusion can noninvasively quantify tumor blood supply in hepatocellular carcinoma (HCC) that relates to tumor neoangiogenesis, a process that is essential for tumor growth. The knowledge will help doctors better assess the disease and strategize treatment options, they said.
November 9, 2011
CT
Myocardial perfusion stress CT moves to clinical use
Tuesday, November 29 | 10:50 a.m.-11:00 a.m. | SSG02-03 | Room S503ABCardiac CT is ready for the comprehensive assessment of coronary artery disease in routine clinical use, say researchers from the Medical University of South Carolina. In the group's initial experience applying myocardial perfusion CT to a clinical population with acute chest pain, the technique detected myocardial perfusion defects just as well as the reference standards, MRI and SPECT.
November 9, 2011
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fMRI reveals infants' 'scent of cuteness'
By Kate Madden Yee
Functional MRI confirms that a baby's smell, whether or not the infant is a mother's own, prompts caretaking behavior.
June 11, 2024
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Reduced gadolinium dose still produces effective meningioma images
By Kate Madden Yee
Gadolinium used for MRI can be reduced by more than half the standard dose level and still distinguish meningiomas from surrounding tissues.
June 11, 2024
Gadolinium
SNMMI: FAPI PET/CT shows promise in breast cancer staging
By Amerigo Allegretto
A study presented at SNMMI suggests that FAPI PET/CT could be suitable for systemic staging of newly diagnosed breast cancer.
June 11, 2024
Clinical stage changed by FAPI PET/CT categorized by F-18 FDG PET/CT in newly diagnosed breast cancer.
SNMMI: Study explores theranostic ‘cocktail’ for colon cancer
By Will Morton
An animal study shows the feasibility of an approach in colon cancer that simultaneously uses alpha- and beta-emitting isotopes to target and kill cancer cells.
June 11, 2024
An autoradiography image showing the simultaneous biodistribution of Lutetium-177 and Actinium-225 radionuclides in colon cancer xenografts in mice.
SNMMI: Nuclear medicine experiencing an ‘industrial revolution’
By Erik L. Ridley
Recent growth in nuclear medicine has represented the equivalent of an “industrial revolution" for specialty, according to SNMMI President Helen Nadel, MD.
June 10, 2024
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SNMMI: Nuclear medicine clinician-scientists need passion, stamina
By Erik L. Ridley
Ora Israel, MD, shares what it takes to succeed as a nuclear medicine clinician-scientist in a video interview at SNMMI 2024.
June 10, 2024
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SNMMI: New SPECT/CT radiotracer effectively images cardiac amyloidosis
By Kate Madden Yee
A new SPECT/CT radiotracer produces high quality and readily interpretable images of cardiac amyloidosis, researchers have found.
June 10, 2024
Representative whole-body planar images of Tc-99m p5+14 of healthy subjects and, with SPECT/CT images, of a patient with ATTRv cardiac amyloidosis at 1 hour post injection showing no uptake in the heart of the healthy subject and intense signal in the heart of the patient using both planar and SPECT/CT imaging. Image and caption courtesy of the SNMMI.
SNMMI: AI PET/CT tool accurately segments tumors for multiple cancers
By Amerigo Allegretto
A new AI PET/CT tool can assess patient risk, predict tumor response, and estimate survival, according to research presented at SNMMI.
June 10, 2024
2024 06 10 Snmii Leung Ai Pet Ct 66632c4a4469c Thumb
ACS: States with higher lung cancer burden show low screening rates
By Kate Madden Yee
The prevalence of up-to-date lung cancer screening with low-dose CT remains low -- especially in U.S. states that tend to have higher mortality rates of the disease.
June 10, 2024
Lung Cancer
SNMMI: Image of the Year shows early brain nuclei activity
By Will Morton
Yale University researchers have won this year’s Image of the Year award at the SNMMI annual meeting for revealing brain nuclei activity with a dedicated brain PET scanner.
June 10, 2024
F-18 SynVesT-1 images at early (0-10) and late (90-120 minute) times postinjection. There is clear identification of high flow regions in the early images. The late images show the synaptic (SV2A) pattern which differs from the flow pattern, e.g., in the thalamus. B. 11C-PHNO binding potential (BPND) images shown in transverse, coronal, and sagittal orientations of PET alone and PET overlaid with MRI. Left: Region of substantia nigra (green arrow, max display: 4.0). Right: Thalamic region (max: 2.5) showing focal bilateral binding in a specific thalamic nucleus (blue arrow, likely anteroventral nucleus). C. Sagittal images of 11C-LSN3172176 M1 muscarinic cholinergic BPND (max display: 10). D. R1 images of the same tracer (max: 2). Cerebellum (blue arrow) shows no specific binding (C) and high tracer delivery (D). E. 18F-FE-PE2I dopamine transporter BPND images (zoomed, max display: 6) showing striatum and substantia nigra (green arrow). F. R1 images of the same tracer (max: 2) with inset showing zoomed region in E.
'Real-world' study confirms that lung cancer screening saves lives
By Kate Madden Yee
A "real-world" study of more than 57,000 U.S. veterans diagnosed with lung cancer shows that lung cancer screening (LCS) saves lives.
June 10, 2024
Lung Ct Images
AuntMinnie 1999: Managed care, Medicare cuts hamper radiologist research, patient care
By Deborah Barnes
Managed care and Medicare cuts are hindering the ability of radiologists and radiation oncologists to engage in research and education.
June 10, 2024
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