RADIOLOGY NEWS
3D-printed nasal swabs aid fight against COVID-19
November 23, 2020 -- 3D-printed nasopharyngeal swabs perform just as well as traditional flocked swabs used to collect nasal secretions for COVID-19 tests, according to results of a clinical trial scheduled to be presented at the upcoming virtual RSNA 2020 meeting.  Discuss
Kids get fewer CTs, but adults' rates continue to rise
November 23, 2020 -- Efforts to reduce children's exposure to radiation when they present in the emergency room with abdominal pain have been effective -- mostly by using ultrasound to diagnose the cause of the pain rather than CT, according to a study published November 19 in the American Journal of Roentgenology.  Discuss
Deep learning gives a boost to CT image reconstruction
November 23, 2020 -- Deep learning-based image reconstruction algorithms can yield higher pediatric CT image quality and lower radiation dose than other conventional reconstruction techniques such as statistical-based iterative reconstruction (SBIR), according to research published online November 17 in Radiology.  Discuss
CMS issues final rule modernizing Stark law
November 20, 2020 -- Saying it is lifting the weight of "punishing bureaucracy" from the backs of physicians, the U.S. Centers for Medicare and Medicaid Services (CMS) on November 20 announced its final rule implementing major changes to the Stark law, a set of federal rules that prohibit physicians from self-referral.  Discuss
Imaging detects big, rare tumor protruding from fetus's mouth
November 20, 2020 -- Doctors recently used prenatal ultrasound to detect a rare 4.6 x 3.6-cm oropharyngeal teratoma protruding from the oral cavity of a fetus. Details of the case were published on November 4 in the Cureus Journal of Medical Science.  Discuss
Multiple DWI-MRI metrics can cut breast biopsy rate
November 20, 2020 -- A new prospective trial published on November 17 in Radiology has identified multiple metrics on diffusion-weighted MRI (DWI-MRI) scans that can reduce the number of unnecessary breast biopsies while maintaining the excellent diagnostic performance of contrast-enhanced MRI.  Discuss
PET ties coronary blood flow to future adverse events
November 20, 2020 -- Using PET perfusion to gauge cardiac blood flow capacity, researchers have found that severely reduced coronary flow reserve is a key contributor to a greater risk of a major adverse cardiac event and death, according to a study published online November 18 in Cardiovascular Imaging.  Discuss
Food, housing insecurity tied to breast biopsy delay
November 19, 2020 -- Women with food and housing insecurity experience a delay between receiving a BI-RADS 4 or 5 finding on diagnostic breast imaging and a subsequent biopsy. The finding is part of a paper on the impact of unmet social needs on imaging that will be presented at the virtual RSNA 2020 meeting.  Discuss
Radiomics enables prediction of invasive adenocarcinoma
November 19, 2020 -- A machine-learning algorithm based on radiomics features of pure ground-glass nodules on CT can yield a promising level of accuracy for differentiating noninvasive from invasive pulmonary adenocarcinoma prior to surgery, according to research published online November 10 in Clinical Radiology.  Discuss
CO-RADS system helps clinicians assess COVID-19
November 19, 2020 -- A COVID-19-specific CT reporting system called CO-RADS can help clinicians quickly diagnose the disease when patients present in the emergency department, according to a study published November 17 in Radiology.  Discuss
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