Todd Pietila

Advanced Visualization
Tips for implementing 3D printing at your hospital
Although 3D printing as a core service in healthcare is still in its infancy, many innovative institutions have been blazing a path. In this article, Todd Pietila of 3D software developer Materialise offers tips for starting a 3D printing service at your facility.
November 3, 2015
2015 11 03 14 55 43 360 3d Printing Fig8 200
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Understanding CT flow artifacts is key to better disease diagnosis
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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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
Liver Cancer
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
Transgender Pride Symbol Social
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.
April 24, 2024
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ChatGPT-4 not reliable in cancer patient messaging
By Amerigo Allegretto
ChatGPT-4 is not a reliable source for answering patients’ questions regarding cancer and needs physician monitoring.
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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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A clinical practice lung cancer screening (LCS) program at Duke University Medical Center found more disease than did the National Lung Screening Trial (NLST).
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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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Novel risk prediction model improves LCS uptake
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April 23, 2024
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