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Study Supports CT Screening for Lung Cancer
Low-dose CT screening for patients at high risk of lung cancer can find smaller nodules than X-ray, but concern remains about potential harm from the test.
Low-dose CT screening for patients who are at increased risk of developing lung cancer can identify smaller nodules than can chest X-rays. But concern remains regarding potential harm from the screening, according to a study published online in JAMA.
Peter B. Bach, MD, of the Memorial Sloan-Kettering Cancer Center, New York, and colleagues assessed the results of several randomized controlled trials and cohort studies, finding that the National Lung Screening trial was the most informative, with 53,545 participants. The findings showed that the screening resulted in a 20 percent lower relative risk of death.
“In terms of potential harms of [low-dose CT] screening, across all trials and cohorts, approximately 20 percent of individuals in each round of screening had positive results requiring some degree of follow-up, while approximately 1 percent had lung cancer,” the study authors wrote.
“There was marked heterogeneity in this finding and in the frequency of follow-up investigations, biopsies, and percentage of surgical procedures performed in patients with benign lesions.”
The study authors concluded, however, that there is still uncertainty about the potential harms of screening and generalizability of the results.
New Study Assesses Benefits of High-Resolution Photon-Counting for Computed Tomography Angiography
October 10th 2024Researchers found that ultra-high resolution photon-counting significantly enhanced visualization of small vessels and facilitated improved reduction of blooming artifacts for head and neck computed tomography angiography (CTA) scans.
FDA Clears Software for Enhancing CCTA Assessment of Atherosclerosis
October 1st 2024Through analysis of coronary computed tomography angiography (CCTA) images, the PlaqueIQ software provides quantification and classification of atherosclerosis, a common cause of myocardial infarction (MI) and ischemic stroke.
The Reading Room: Racial and Ethnic Minorities, Cancer Screenings, and COVID-19
November 3rd 2020In this podcast episode, Dr. Shalom Kalnicki, from Montefiore and Albert Einstein College of Medicine, discusses the disparities minority patients face with cancer screenings and what can be done to increase access during the pandemic.
Can Intestinal Ultrasound Provide an Alternative for Evaluating Creeping Fat with Crohn’s Disease?
September 25th 2024Intestinal ultrasound demonstrated an 88.2 percent agreement with computed tomography enterography in characterizing creeping fat in patients with Crohn’s disease, according to new research.
