Primary docs don't spend much on low-value care
January 20, 2021 -- Primary care physician (PCP) services and referrals account for a small minority of spending on low-value care such as imaging for nonspecific back pain, according to a January 19 study in the Annals of Internal Medicine.  Discuss
IMV: CT procedure volume fell 20% in 2020
January 20, 2021 -- The COVID-19 pandemic had an immediate impact on total CT procedure volume in the U.S. in 2020, with procedure volume projected to be 20% lower than in 2019. That's according to a new report by market research firm IMV Medical Information Division.  Discuss
PET shows aerobic exercise has little effect on amyloid
January 20, 2021 -- While aerobic exercise is good for the cardiovascular system, PET images show a weekly regimen of this activity does nothing to change the status of beta-amyloid buildup in older adults with elevated levels of the marker for Alzheimer's disease, according to a study published online January 14 in PLOS One.  Discuss
FDA proposal to relax 510(k) rules on AI raises eyebrows
January 19, 2021 -- A proposal by the U.S. Food and Drug Administration (FDA) to eliminate 510(k) review for a number of artificial intelligence (AI) software applications is raising eyebrows in the radiology industry. The question is whether the proposal will be implemented after the Trump Administration ends this week.  Discuss
AI, radiomics predicts prostate cancer recurrence
January 19, 2021 -- A diagnostic model that incorporates artificial intelligence (AI) analysis of radiomics features on multiparametric MRI can predict the likelihood of prostate cancer recurrence prior to surgical treatment, enabling preoperative risk stratification of patients, according to research published in the January issue of EBioMedicine.  Discuss
How high a price for incidental lung nodules on CT?
January 19, 2021 -- A new study published January 19 in JAMA Internal Medicine links overtreatment of incidental lung nodules found on CT with more radiation, adverse events, and higher health system costs. However, researchers couldn't determine whether or not it also resulted in earlier cancer diagnosis.  Discuss
CMS unveils final rule to speed up coverage of advanced tech
January 19, 2021 -- The U.S. Centers for Medicare and Medicaid Services (CMS) has issued a final rule designed to speed up Medicare coverage of innovative devices that have undergone prioritized regulatory review.  Discuss
Can MRI-guided breast biopsy evaluate chemo response?
January 19, 2021 -- MRI-guided breast biopsy looks like a promising method to evaluate complete response to neoadjuvant chemotherapy in women with breast cancer, according to the findings of a pilot study published January 15 in JAMA Network Open.  Discuss
Radiomics, AI can guide NSCLC treatment decisions
January 15, 2021 -- Radiomics and artificial intelligence (AI) can be used to guide treatment of non-small cell lung cancer (NSCLC) without the need for a biopsy, according to research presented January 13 at the American Association for Cancer Research Virtual Special Conference on Artificial Intelligence, Diagnosis, and Imaging.  Discuss
Report charts 80% drop in cardiac SPECT during COVID-19
January 15, 2021 -- A hospital in Alabama saw an 80% drop in the volume of SPECT myocardial perfusion imaging studies during the peak of the COVID-19 pandemic in spring 2020 as patients postponed nonessential procedures.  Discuss