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A simple algorithm to derive virtual non-contrast electron density from dual-energy computed tomography data for radiotherapy treatment planning.
Med Phys
January 2025
Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Hokkaido, Japan.
Background: The use of iodinated contrast-enhancing agents in computed tomography (CT) improves the visualization of relevant structures for radiotherapy treatment planning (RTP). However, it can lead to dose calculation errors by incorrectly converting a CT number to electron density.
Purpose: This study aimed to propose an algorithm for deriving virtual non-contrast (VNC) electron density from dual-energy CT (DECT) data.
Triglyceride-glucose index in predicting the risk of new-onset diabetes in the general population aged 45 years and older: a national prospective cohort study.
BMC Endocr Disord
January 2025
Department of Endocrinology, Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning, 110033, China.
Objective: Insulin resistance (IR) is often present in diabetes, which imposes a heavy burden on the prevention and treatment of diabetes. Triglyceride glucose index (TyG) is simple, reliable and reproducible in detecting IR, and has great advantages in predicting the risk of diabetes. The aim of this study was to analyze the potential association between TyG and the risk of diabetes in Chinese middle-aged and older adults using a prospective cohort study design.
View Article and Find Full Text PDFDeciphering the Ligand-Binding Site in a DNA Aptamer Targeting Deoxynivalenol.
Biochemistry (Mosc)
December 2024
Faculty of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia.
Food safety is one of the primary demands of modern society. Mycotoxins are toxic metabolites of food-contaminating fungi. Fungi enter the food chain by infecting crops and irreversibly contaminate them due to the structural stability of mycotoxins.
View Article and Find Full Text PDF[Development and validation of a nomogram combining clinical and F-FDG PET/CT parameters for prediction of high-grade patterns in invasive lung adenocarcinoma].
Zhonghua Yi Xue Za Zhi
January 2025
Department of Nuclear Medicine, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing100730, China.
To establish and validate a nomogram based on clinical characteristics and metabolic parameters derived from F-fluorodeoxyglucose positron emission tomography and computed tomography (F-FDG PET/CT) for prediction of high-grade patterns (HGP) in invasive lung adenocarcinoma. The clinical and PET/CT image data of 311 patients who were confirmed invasive lung adenocarcinoma and underwent pre-treatment F-FDG PET/CT scan in Beijing Hospital between October 2017 and March 2022 were retrospectively collected. The enrolled patients were divided into HGP group (196 patients) and non-HGP group (115 patients) according to the presence and absence of HGP.
View Article and Find Full Text PDFInvestigation of the effect of internet addiction on cyberchondria.
Psychol Health Med
January 2025
Department of Health Management, Selcuk University Faculty of Health Sciences, Konya, Turkey.
This research was conducted to examine the effect of internet addiction on cyberchondria. The research is important to understand how today's digital technologies contribute to health-related concerns and affect individuals' perceptions of health. Quantitative research design was used in this research conducted in Konya, a metropolitan city in Turkey.
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