Dr. László Tabár and Tony Hsiu-Hsi Chen, DDS, PhD

Breast
We do not want to go back to the Dark Ages of breast screening
The publication of long-term follow-up results in BMJ from the Canadian National Breast Screening Study has revived an ongoing debate over the methods used in the trial. In this Second Opinion article, Dr. László Tabár of the University of Uppsala presents his view of the study.
February 11, 2014
2013 06 03 12 02 47 211 Second Opinion Am 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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Dual-tracer PET/CT shows promise in liver cancer patients
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Womens Imaging
Studies lacking for trans breast cancer screening trends
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ChatGPT performs poorly on ACR exam for residents
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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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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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There are limited studies examining breast cancer screening trends in transgender people.
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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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