Greg Freiherr

PACS/VNA
Viewers define issues underlying enterprise imaging
In the final installment of our series on the challenges of enterprising imaging, contributing writer Greg Freiherr takes a look at a key ingredient in any enterprise installation: viewers. They can either enable enterprise imaging or doom it to failure.
April 14, 2016
2015 11 10 17 31 38 269 Computer Data 200
PACS/VNA
Image sharing presents challenges to the enterprise
Image sharing touches all aspects of patient management, from the practical to the incongruous, but it still remains a problem for patients and physicians at many institutions, according to contributing writer Greg Freiherr, who offers this third installment on the challenges of enterprise imaging.
March 22, 2016
2015 01 07 17 13 49 962 Broken Cd Dvd 200
PACS/VNA
PACS and EMR vendors aim to bridge workflow gap
Surrounded by flying dice and one-armed bandits, the Healthcare Information and Management Systems Society conference in Las Vegas did its best to establish a middle ground for discussions about enterprise imaging. Among the many difficulties that accompany the integration of medical images into patient medical records, workflow stood out.
March 10, 2016
2016 03 10 16 26 18 768 Arrow 200
PACS/VNA
HIMSS: Challenges take shape as enterprise imaging gains prominence
LAS VEGAS - At the just-concluded Healthcare Information and Management Systems Society (HIMSS) meeting, three radiology thought leaders described the challenges that threaten enterprise imaging and the forces that are compelling the medical community to embrace it.
March 2, 2016
2016 02 28 16 18 58 556 Las Vegas Sign 200
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Understanding CT flow artifacts is key to better disease diagnosis
By Kate Madden Yee
Understanding the mechanics of flow artifacts on CT or CT angiography and how these artifacts are created is key to better disease diagnosis.
April 26, 2024
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Dual-tracer PET/CT shows promise in liver cancer patients
By Will Morton
Dual-tracer PET/CT appears valuable for improving tumor staging in patients with hepatocellular carcinoma being evaluated for treatment.
April 26, 2024
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Studies lacking for trans breast cancer screening trends
By Amerigo Allegretto
There are limited studies examining breast cancer screening trends in transgender people.
April 25, 2024
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ChatGPT performs poorly on ACR exam for residents
By Will Morton
ChatGPT-4 received a score of 58% on an exam by the American College of Radiology (ACR) used to assess the skills of diagnostic and interventional radiology residents.
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ChatGPT-4 is not a reliable source for answering patients’ questions regarding cancer and needs physician monitoring.
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CT reveals influence of diabetes on COVID-19 severity
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CT imaging reveals the influence of blood glucose levels on the severity of COVID-19, researchers have reported.
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State of the RT profession more palpable than ever
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SPECT/CT predicts foot amputations in diabetics
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Technetium-99m white blood cell SPECT/CT imaging may be useful for identifying diabetic patients at risk of amputations due to foot infections.
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Examples in two patients. (Top) Abnormal leukocyte accumulation was observed in the right 1st to 5th toes, with the radioactive lesions extending to the bone, indicating osteomyelitis (left panel, MIP image; right panel, axial SPECT/CT). Two spherical VOIs were drawn on diabetic foot infections (DFIs) and the highest SUVmax was 4.2 (higher than the cutoff of 1.1) Despite intensive treatment, the infection progressed, leading to the patient undergoing right below knee amputation 43 days after SPECT/CT. (Bottom) Mild focal abnormal leukocyte accumulation was detected in the right 3rd and 4th toes. The lesions were in contact with the bone, which raised a suspicion of osteomyelitis (left panel, MIP image; right panel, axial SPECT/CT). A circular VOI was drawn on DFIs and the SUVmax was 1.0 (lower than the cutoff of 1.1). After 10 weeks of antibiotic treatment, the infection was successfully resolved, and the foot was preserved. Image and caption courtesy of Scientific Reports.
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