fMRI gets to the bottom of smell, taste dysfunction from COVID-19
January 22, 2021 -- Functional MRI (fMRI) was helpful for evaluating persistent smell and taste dysfunction in a patient with COVID-19, according to a case report published January 22 in JAMA Neurology. The orbitofrontal cortex appears to be particularly relevant in understanding the cause of symptoms, Kuwaiti researchers reported.  Discuss
Ultrasound shows lymph node changes after COVID-19 vaccine
January 22, 2021 -- Breast ultrasound was used to demonstrate signs of lymph node enlargement in four cases of patients who received the COVID-19 vaccine. Radiologists from NewYork-Presbyterian published the case studies on January 18 in Clinical Imaging.  Discuss
AI enhances performance of CT lung cancer screening
January 22, 2021 -- Combining artificial intelligence (AI) with Lung-RADS can sharply increase specificity in low-dose CT lung cancer screening programs without hurting sensitivity, according to a January 19 study in the Journal of the American College of Radiology.  Discuss
USPSTF readies update to breast screening guidelines
January 21, 2021 -- The U.S. Preventive Services Task Force (USPSTF) has published the draft research plan it will use to update its mammography screening guidance. The plan is the first step to issuing new USPSTF breast screening recommendations, which can affect how private insurers reimburse screening.  Discuss
How the Consolidated Appropriations Act will impact radiology practices
January 21, 2021 -- The Consolidated Appropriations Act, 2021 is a sweeping piece of legislation that provides relief to individuals and businesses impacted by the COVID-19 public health emergency. Rebecca Farrington of Healthcare Administrative Partners offers an analysis.  Discuss
PET identifies tau's origin in Alzheimer's disease
January 21, 2021 -- An automated PET image analysis method can track the development of tau protein clumps in the brains of people with Alzheimer's disease, revealing an important clue in how the devastating disease could potentially be treated, according to research published online January 20 in Science Translational Medicine.  Discuss
SNMMI urges fast-track review of Technegas for V/Q scans
January 21, 2021 -- The Society of Nuclear Medicine and Molecular Imaging (SNMMI) has sent a letter to the U.S. Food and Drug Administration (FDA) urging the agency to begin a fast-track review of the Technegas agent for nuclear medicine ventilation/perfusion (V/Q) lung scans.  Discuss
Can CT provide a better map of breast density?
January 21, 2021 -- An international research team used dozens of CT images to map breast density in a January 16 study published in Medical Physics. Their technique could lead to more accurate radiation dose estimates and improved breast cancer risk models.  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