Search Results - "Nicolaou, Savvas"

Spectral Computed Tomography: Fundamental Principles and Recent Developments by So, Aaron, Nicolaou, Savvas

“…CT is a diagnostic tool with many clinical applications. The CT voxel intensity is related to the magnitude of X-ray attenuation, which is not unique to a…”
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Exploring the Role of Artificial Intelligence in an Emergency and Trauma Radiology Department by Jalal, Sabeena, Parker, William, Ferguson, Duncan, Nicolaou, Savvas

“…Emergency and trauma radiologists, emergency department’s physicians and nurses, researchers, departmental leaders, and health policymakers have attempted to…”
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Dual-Energy CT Iodine Mapping and 40-keV Monoenergetic Applications in the Diagnosis of Acute Bowel Ischemia by Lourenco, Pedro D M, Rawski, Ryan, Mohammed, Mohammed F, Khosa, Faisal, Nicolaou, Savvas, McLaughlin, Patrick

“…Sensitivity of CT of the abdomen for detection of acute bowel ischemia (ABI) can be as low as 60%. In this study, we assessed the diagnostic performance of…”
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Clinical Applications of Dual-Energy CT by Hamid, Saira, Nasir, Muhammad Umer, So, Aaron, Andrews, Gordon, Nicolaou, Savvas, Qamar, Sadia Raheez

“…Dual-energy CT (DECT) provides insights into the material properties of tissues and can differentiate between tissues with similar attenuation on conventional…”
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Dual-Energy CT in Evaluation of the Acute Abdomen by Murray, Nicolas, Darras, Kathryn E, Walstra, Frances E, Mohammed, Mohammed F, McLaughlin, Patrick D, Nicolaou, Savvas

“…Evaluation of the nontraumatic acute abdomen with multidetector CT has long been accepted and validated as the reference standard in the acute setting…”
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Machine learning automatically detects COVID-19 using chest CTs in a large multicenter cohort by Mortani Barbosa, Eduardo J., Georgescu, Bogdan, Chaganti, Shikha, Aleman, Gorka Bastarrika, Cabrero, Jordi Broncano, Chabin, Guillaume, Flohr, Thomas, Grenier, Philippe, Grbic, Sasa, Gupta, Nakul, Mellot, François, Nicolaou, Savvas, Re, Thomas, Sanelli, Pina, Sauter, Alexander W., Yoo, Youngjin, Ziebandt, Valentin, Comaniciu, Dorin

“…Objectives To investigate machine learning classifiers and interpretable models using chest CT for detection of COVID-19 and differentiation from other…”
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Detection of Bone Marrow Edema in Nondisplaced Hip Fractures: Utility of a Virtual Noncalcium Dual-Energy CT Application by Kellock, Trenton T, Nicolaou, Savvas, Kim, Sandra S Y, Al-Busaidi, Sultan, Louis, Luck J, O'Connell, Tim W, Ouellette, Hugue A, McLaughlin, Patrick D

“…Purpose To quantify the sensitivity and specificity of dual-energy computed tomographic (CT) virtual noncalcium images in the detection of nondisplaced hip…”
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Cardiac CT angiography for device surveillance after endovascular left atrial appendage closure by Saw, Jacqueline, Fahmy, Peter, DeJong, Peggy, Lempereur, Mathieu, Spencer, Ryan, Tsang, Michael, Gin, Kenneth, Jue, John, Mayo, John, McLaughlin, Patrick, Nicolaou, Savvas

“…Left atrial appendage (LAA) device imaging after endovascular closure is important to assess for device thrombus, residual leak, positioning, surrounding…”
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Integrated virtual and cadaveric dissection laboratories enhance first year medical students' anatomy experience: a pilot study by Darras, Kathryn E, Spouge, Rebecca, Hatala, Rose, Nicolaou, Savvas, Hu, Jeff, Worthington, Anne, Krebs, Claudia, Forster, Bruce B

“…Radiology integration into medical anatomy courses is well established, but there is a paucity of literature on integrating virtual dissection into cadaveric…”
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Association between statins and progression of osteoarthritis features on magnetic resonance imaging in a predominantly pre-radiographic cohort: the Vancouver Longitudinal Study of Early Knee Osteoarthritis (VALSEKO): a cohort study by Gill, Jagdeep, Sayre, Eric C, Guermazi, Ali, Nicolaou, Savvas, Cibere, Jolanda

“…Abstract Background To evaluate the effect of statin use on osteoarthritis (OA) incidence/progression using magnetic resonance imaging (MRI) in a…”
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Diagnostic Accuracy of Dual-Energy CT in Detection of Acute Pulmonary Embolism: A Systematic Review and Meta-Analysis by Abdellatif, Waleed, Ebada, Mahmoud Ahmed, Alkanj, Souad, Negida, Ahmed, Murray, Nicolas, Khosa, Faisal, Nicolaou, Savvas

“…Purpose: In this systematic review and meta-analysis, we aimed to investigate the accuracy of dual-energy computed tomography (DECT) in the detection of acute…”
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The Effectiveness of Image Augmentation in Deep Learning Networks for Detecting COVID-19: A Geometric Transformation Perspective by Elgendi, Mohamed, Nasir, Muhammad Umer, Tang, Qunfeng, Smith, David, Grenier, John-Paul, Batte, Catherine, Spieler, Bradley, Leslie, William Donald, Menon, Carlo, Fletcher, Richard Ribbon, Howard, Newton, Ward, Rabab, Parker, William, Nicolaou, Savvas

“…Chest X-ray imaging technology used for the early detection and screening of COVID-19 pneumonia is both accessible worldwide and affordable compared to other…”
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The abdominal seatbelt sign by Redmond, Ciaran E., Gibney, Brian, Nicolaou, Savvas

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Interventional radiology and COVID-19: evidence-based measures to limit transmission by Chandy, Poornima Elizabeth, Nasir, Muhammad Umer, Srinivasan, Sivasubramanian, Klass, Darren, Nicolaou, Savvas, B Babu, Suresh

“…As we face an explosion of COVID-19 cases and deal with an unprecedented set of circumstances all over the world, healthcare personnel are at the forefront,…”
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Radiological Society of North America (RSNA) Expert Consensus Statement Related to Chest CT Findings in COVID-19 Versus CO-RADS: Comparison of Reporting System Performance Among Chest Radiologists and End-User Preference by O’ Neill, Siobhan B., Byrne, Danielle, Müller, Nestor L., Jalal, Sabeena, Parker, William, Nicolaou, Savvas, Bilawich, Ana-Maria

“…Purpose: The RSNA expert consensus statement and CO-RADS reporting system assist radiologists in describing lung imaging findings in a standardized manner in…”
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Postmortem CT in Trauma: An Overview by Chandy, Poornima Elizabeth, Murray, Nicolas, Khasanova, Elina, Nasir, Muhammad Umer, Nicolaou, Savvas, Macri, Francesco

“…As forensic radiology sees an exponential gain in popularity, postmortem computed tomography (PMCT) is increasingly being used in the appropriate setting,…”
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Acquisition time, radiation dose, subjective and objective image quality of dual-source CT scanners in acute pulmonary embolism: a comparative study by Abdellatif, Waleed, Esslinger, Eric, Kobes, Kevin, Wong, Amanda, Powell, Jennifer, Ali, Ismail Tawakol, Andrews, Gordon, Nicolaou, Savvas

“…Objectives To compare the scan acquisition time, radiation dose, subjective and objective image quality of two dual-source CT scanners (DSCT) for detection of…”
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State of the Art Imaging Review of Blunt and Penetrating Cardiac Trauma by Qamar, Sadia Raheez, Wu, Yuhao, Nicolaou, Savvas, Murray, Nicolas

“…Traumatic cardiovascular injuries are only second to the central nervous system injuries as a cause of death in young adult population. Multidetector computed…”
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Concurrent validity of provisional remission criteria for gout: a dual-energy CT study by Dalbeth, Nicola, Frampton, Christopher, Fung, Maple, Baumgartner, Scott, Nicolaou, Savvas, Choi, Hyon K

“…Provisional gout remission criteria including five domains (serum urate, tophus, flares, pain due to gout, and patient global assessment) have been proposed…”
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A whole-joint, unidimensional, irreversible, and fine-grained MRI knee osteoarthritis severity score, based on cartilage, osteophytes and meniscus (OA-COM) by Sayre, Eric C, Guermazi, Ali, Nicolaou, Savvas, Esdaile, John M, Kopec, Jacek A, Singer, Joel, Wong, Hubert, Thorne, Anona, Cibere, Jolanda

“…Objective To develop a whole-joint, unidimensional, irreversible, and fine-grained MRI knee osteoarthritis (OA) severity score, based on cartilage, osteophytes…”
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