Michael Gray

PACS/VNA
PACS Paradigm Shift: Part 3 -- The advent of PACS 3.0
In the final article in his series on enterprise medical image viewing, healthcare IT expert Michael Gray describes the PACS 3.0 concept and explores the benefits of making the switch to this new PACS model.
October 8, 2014
2014 09 23 15 11 00 345 Gray Micheal2 20140923221336
PACS/VNA
PACS Paradigm Shift: Part 2 -- VNAs, viewers, and radiology PACS
In part 2 of his series on enterprise medical image viewing, healthcare IT expert Michael Gray discusses the effect of vendor-neutral archives (VNAs) and universal viewers on the current image management paradigm, which has resulted in what he describes as the "step-by-step dismemberment" of traditional radiology-oriented PACS.
September 28, 2014
2014 09 23 15 11 00 345 Gray Micheal2 20140923221336
PACS/VNA
PACS Paradigm Shift: Part 1 -- Problems with today's PACS
Healthcare delivery organizations are experiencing a paradigm shift from departmental views of medical images -- typically seen in radiology and cardiology -- to a single, enterprise view that encompasses all medical images. In this article, healthcare IT expert Michael Gray explores some of the challenges that these changes present.
September 23, 2014
2014 09 23 15 11 00 345 Gray Micheal2 20140923221336
PACS/VNA
Building the Best RFP: Part III -- Data migration prenuptial
AuntMinnie.com presents the third installment in the Building the Best RFP series. The articles focus on major technology issues involved in choosing the right PACS, and each edition includes the precise wording you might use in an RFP to a vendor. In part three, PACS consultant Michael Gray discusses data migration.
October 10, 2007
PACS/VNA
Building the Best RFP: Part 2 -- Display software
AuntMinnie.com is pleased to present the second installment in the Building the Best RFP series. This new series of articles focuses on the major technology issues in choosing the right PACS, and each edition will include the precise wording you might use in an RFP to a vendor. In part two, PACS consultant Michael Gray discusses different display software packages and installation.
July 15, 2007
PACS/VNA
Building the Best RFP: Part 1 -- Directory architecture
AuntMinnie.com is pleased to present the first installment in the Building the Best RFP series. This new series of articles will focus on the major technology issues in choosing the right PACS, and each installment will include the precise wording you might use in an RFP to a vendor. In part one, PACS consultant Michael Gray discusses directory server architecture.
May 14, 2007
2007 05 14 16 14 39 706
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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.
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Dual-tracer PET/CT appears valuable for improving tumor staging in patients with hepatocellular carcinoma being evaluated for treatment.
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Studies lacking for trans breast cancer screening trends
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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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CT reveals influence of diabetes on COVID-19 severity
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State of the RT profession more palpable than ever
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SPECT/CT predicts foot amputations in diabetics
By Will Morton
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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