Publications by authors named "S Nicolaou"
Curiosity is a powerful motivator of information-seeking behavior. People seek not only positive, but also aversive social information about others. However, whether people also seek unfavorable social information about themselves, as well as the neural mechanisms that may drive such seemingly counterintuitive behavior remain unclear.
View Article and Find Full Text PDFPurpose To evaluate the performance of the winning machine learning models from the 2023 RSNA Abdominal Trauma Detection AI Challenge. Materials and Methods The competition was hosted on Kaggle and took place between July 26 and October 15, 2023. The multicenter competition dataset consisted of 4274 abdominal trauma CT scans, in which solid organs (liver, spleen, and kidneys) were annotated as healthy, low-grade, or high-grade injury.
View Article and Find Full Text PDFArticle Synopsis
- - DECT (Dual-energy computed tomography) uses two X-ray energy levels (80 and 140 kVp) to distinguish materials based on their atomic properties, enhancing imaging for conditions like bone marrow edema.
- - It produces high-resolution images that can visually separate different tissue types, making it effective in detecting traumatic bone marrow lesions and subtle fractures, often as a reliable alternative to MRI.
- - DECT offers comparable diagnostic accuracy to MRI, but with shorter exam times and greater availability, making it a significant advancement in the imaging of bone-related pathologies.