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New quadruple fusion imaging helps diagnose eye conditions and tumors A quadruple fusion optical and ultrasound imaging system has been developed that allows diagnosis of eye conditions or tumors or to see the environment inside the body using a transparent ultrasound transducer. Professor Chulhong Kim of POSTECH s Department of Electrical Engineering, Convergence IT Engineering, and Mechanical Engineering, Dr. Byullee Park of Department of Convergence IT Engineering, Ph.D. candidate Jeongwoo Park of School of Interdisciplinary Bioscience and Bioengineering, Professor Hyung Ham Kim of Department of Convergence IT Engineering, and Professor Unyong Jeong of Department of Materials Science and Engineering, in joint research with Professor Hong Kyun Kim of Kyungpook National University School of Medicine have together developed a transparent ultrasound transducer1 and has used it to produce the world s first quadruple fusion imaging system that integrates ultrasound imaging, p ....
Future lung cancer screening strategies should address equity, implementation issues, say experts Calling the U.S. Preventive Services Task Force s newly released recommendation statement to expand eligibility for annual lung cancer screening with low-dose computed tomography a step forward, UNC Lineberger Comprehensive Cancer Center researchers say future changes should address equity and implementation issues. In an editorial published in JAMA, Louise M. Henderson, PhD, professor of radiology at UNC School of Medicine, M. Patricia Rivera, MD, professor of medicine at UNC School of Medicine, and Ethan Basch, MD, MSc, the Richard M. Goldberg Distinguished Professor in Medical Oncology and chief of oncology at the UNC School of Medicine, outlined their concerns and offered potential approaches to make the screening recommendation more inclusive of populations that have been historically underserved. ....
Comprehensive review shows benefits and harms of screening for lung cancer A comprehensive review by University of North Carolina researchers and colleagues of hundreds of publications, incorporating more than two dozen articles on prevention screening for lung cancer with low-dose spiral computed tomography (LDCT), shows there are both benefits and harms from screening. The review is published in JAMA on March 9, 2021. The results of the decadelong National Lung Screening Trial (NLST) showed that LDCT could detect lung cancer better than conventional X-rays in current or previous heavy smokers. Based on those results, the United States Preventive Services Task Force (USPSTF) initially recommended low-dose CT screening for people ages 55 to 80 with a 30 pack-year smoking history. Subsequently, other screening trial results have been published, including a European trial called NELSON, the next-largest study to the NLST. NELSON also found a reduction in deaths due to l ....
New method to enhance images of the SARS-CoV-2 virus Researchers report a method of removing noise from high-resolution transmission electron microscopy images using probabilistic generative models. Electron microscopy (EM) is a technique used to see viruses and their infection processes, allowing us to see how it binds to cells and spreads through the body. Transmission electron microscopy (TEM) can provide high-resolution images at the nanometer scale, but these low-light images generally have an abundance of noise. Images of viruses often appear flat or 2-dimensional. Several noise reduction algorithms have helped improve image quality, allowing better interpretation of the data. For the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), EM images have also been used to reconstruct 3-dimensional (3D) images of the virus. ....