Edward Stefanowicz and Bill O'Connell

Advanced Visualization
Hospital 3D printing: Part 2 -- A clear path to value capture
A key part of starting a 3D printing service or lab is demonstrating its value capture. Bill O'Connell of Materialise and Edward Stefanowicz of Geisinger Health System describe 12 potential value-capture areas associated with hospital 3D printing in part 2 of their series.
June 4, 2018
2017 04 21 14 08 45 960 3d Printing Ball 400
Advanced Visualization
Hospital 3D printing: Part 1 -- Starting a 3D printing service
Are you thinking about launching a 3D printing service or lab at your hospital? In the first of a two-part series on hospital 3D printing, Bill O'Connell of Materialise and Edward Stefanowicz of Geisinger Health System suggest measures you should take before getting started.
June 3, 2018
2017 04 21 14 08 45 960 3d Printing Ball 400
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Understanding CT flow artifacts is key to better disease diagnosis
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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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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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