Wayne Forrest

Nuclear Medicine
Regadenoson with Rb-82 PET MPI helps detect obstructive CAD
The pharmacological stress agent regadenoson with rubidium-82 (Rb-82) PET myocardial perfusion imaging (MPI) has high sensitivity and diagnostic accuracy for detecting obstructive coronary artery disease (CAD), according to a study published online in the Journal of Nuclear Medicine.
August 15, 2013
2013 08 16 10 10 30 298 Jnm Regadenoson Pet Hsiao 20130816171950
Nuclear Medicine
Joint Commission seeks to expand imaging standards
The U.S. Joint Commission has proposed more-stringent requirements in the ambulatory care, critical access hospital, and hospital accreditation programs for facilities that provide CT, MRI, nuclear medicine, and PET services.
August 14, 2013
Nuclear Medicine
FDG-PET changes treatment, staging for Merkel cell carcinoma
Australian researchers found that FDG-PET scans changed the management plan for more than one-third of patients with Merkel cell carcinoma and altered the disease stage in approximately one in five cases, according to a study in the August issue of the Journal of Nuclear Medicine.
August 13, 2013
2013 08 13 16 10 53 703 Jnm Savi Merkel Cell 450 20130813231248
Nuclear Medicine
Study links triple-negative breast cancer on MRI, PET/CT scans
California researchers have found links between the appearance of triple-negative breast cancer on two different imaging modalities, MRI and PET/CT. They believe their findings can help guide therapy for the disease, which occurs less frequently but is typically more deadly than other types of breast cancer.
August 8, 2013
2013 08 02 09 37 57 659 2013 08 09 Dce Mri Radiology 200
MRI
AAPM: MRI shows early brain tumor response to treatment
By using dynamic contrast-enhanced MRI and diffusion-weighted MRI, physicians can determine if a brain tumor is responding to treatment as soon as two weeks into radiation therapy, according to a study presented on Sunday at the American Association of Physicists in Medicine (AAPM) annual meeting in Indianapolis.
August 4, 2013
2013 08 02 15 29 21 960 2013 08 05 Mri Brain Tumor 200
Nuclear Medicine
Report: U.S. SPECT, PET market looks promising in coming years
Powered by a number of new products and the potential of novel imaging agents currently in the pipeline, U.S. sales of SPECT and PET radiopharmaceuticals and scanners could top the billion-dollar mark by the next decade, according to a new market research report from Bio-Tech Systems.
July 29, 2013
2013 07 29 16 27 01 393 Btsi 200
MRI
Preparing MRI systems for natural disasters is a year-round duty
As the adage goes, "Forewarned is forearmed." With the heart of hurricane season approaching, service personnel at hospitals along the East Coast should take precautions now to ensure that natural disasters such as last year's Hurricane Sandy do not wreak havoc with their MRI scanners.
July 29, 2013
2013 07 30 10 08 27 563 Hurricane Eye 200
MRI
AuntMinnie.com MRI Insider
July 24, 2013
Nuclear Medicine
Misdiagnosis of Alzheimer's can cost big money
Receiving a misdiagnosis of Alzheimer's disease can result in tens of thousands of dollars in unnecessary medical costs for patients who actually have vascular dementia or Parkinson's disease, according to a study presented on July 17 at the Alzheimer's Association International Conference in Boston.
July 22, 2013
Nuclear Medicine
NOPR leaves legacy of cancer coverage and cooperation
The seven-year initiative known as the National Oncologic PET Registry (NOPR) began to wind down its operation after the U.S. Centers for Medicare and Medicaid Services announced last month it would halt the data collection requirement for all oncologic indications for FDG-PET as a condition of reimbursement.
July 22, 2013
2013 07 18 10 38 13 983 Siegel Barry 200
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Radiological Report 400
Practice Management
Post Cures Act, outpatients access radiology reports faster
Post the Cures Act, outpatients can see their radiology reports sooner than those treated in inpatient and emergency settings.
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MRI
MRI may help guide brachial plexus surgery
Chat Gpt Artificial Intelligence Ai Head
AI
Should hospitals pursue local domain LLM adaptation for radiology reports?
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Womens Imaging
MRI model predicts breast tumor shrinkage patterns
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MRI
Check for middle neck involvement for nasopharyngeal cancer prognosis
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IMV: Nonhospital sites see increased competition for oncology-related imaging
By Davin Korstjens
In 2023, nonhospital sites faced more competition compared to hospital-based facilities for oncology-related diagnostic imaging scans, according to IMV’s recent report.
January 16, 2024
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Health disparities persist despite decline in cancer mortality rates
By Amerigo Allegretto
While cancer mortality rates declined in the U.S. between 2000 and 2020, racial and ethnic disparities persisted for many cancers.
January 15, 2024
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Researchers talk practical retainment strategies with AuntMinnie.com
By Amerigo Allegretto
Perhaps one New Year's resolution for radiology departments is finding ways to better retain their staff. Researchers recently published an article addressing just that.
January 15, 2024
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Reimbursement issues give impetus to AI adoption
By Sanjay M. Parekh, PhD
Adoption of AI solutions remains nascent and inconsistent. The market has yet to see widespread adoption of medical AI technologies, as Sanjay M. Parekh, PhD, explains.
January 15, 2024
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Vacation days taken and working during vacation tied to burnout
By Amerigo Allegretto
The number of vacation days taken by physicians -- and working on patient-related tasks while on vacation -- are tied to physician burnout.
January 12, 2024
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High body fat raises fracture risk in women treated for breast cancer
By Will Morton
Women with high body fat undergoing early breast cancer treatment may be at higher risk for vertebral fractures, despite the use of bone health drugs.
January 12, 2024
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Nearly half of outpatient MRI orders are delayed
By Kate Madden Yee
Nearly half of outpatient MRI orders are delayed -- that is, performed more than 10 days from the date chosen by the referring provider, according to recent research.
January 12, 2024
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ChatGPT identifies incidental CT findings
By Amerigo Allegretto
ChatGPT-4 performs well in identifying incidental findings on CT via a process called single-shot learning.
January 11, 2024
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Radiologists in Europe ramp up testing of AI
By Will Morton
Four out of seven commercially available AI algorithms for detecting lung nodules on x-rays performed better than human readers in a recent study.
January 11, 2024
Example chest x-rays from a public test set illustrate algorithm and reader similarities to and discrepancies from the reference standard. A specialized radiologist determined the reference standard score (0, no nodule present; 100, one or more nodules present), and algorithms and human readers provided a probability score between 0 and 100 for each patient of the likelihood that the patient was a nodule case. (A) Radiograph in a man (age, 72 years) with a nodule present (reference standard score, 100) shows a true-positive result based on the average algorithm scores. (B) Radiograph in a man (age, 68 years) without a nodule present (reference standard score, 0) shows a true-negative result based on the average algorithm scores. (C) Radiograph in a woman (age, 64 years) without a nodule present (reference standard score, 0) shows a false-positive result based on the average algorithm scores. (D) Radiograph in a man (age, 37 years) with a nodule present (reference standard score, 100) shows a false-negative result based on the average algorithm scores. Corresponding lateral images and CT scans (when available) for these patients are presented in Figure S2 (supplementary data). The images shown in this figure were part of a public subset and not part of the set on which metrics are reported, which remains confidential for reevaluation in the future. Algorithm scores provided for the images are raw, uncalibrated scores and cannot be directly compared to each other; they are provided for indicative purposes only. Image and caption courtesy of Radiology.
Cannabis and the brain: What's the long-term impact?
By Philip Ward
Researchers in New Zealand have used MRI to evaluate the effects of cannabis on the aging brain. We caught up with Rebecca Lee for an update.
January 11, 2024
Cannabis Marijuana
Point-of-care decision support reduces unnecessary CT, MRI imaging
By Kate Madden Yee
A point-of-care, web-based clinical decision support tool shows promise for reducing the incidence of inappropriate CT or MR imaging, patients' radiation exposure, and even carbon emissions caused by unnecessary exams.
January 11, 2024
Checklist
Ultrasonic flow ratio reliable for assessing coronary stenosis
By Amerigo Allegretto
Ultrasonic flow ratio is a reliable method for computing fractional flow reserve in assessing coronary stenosis.
January 11, 2024
Heart Attack Disease 3 D 400
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