Showing 261 - 280 results of 2,682 for search '"computed tomography"', query time: 0.07s Refine Results
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    Classification of Severity of Lung Parenchyma Using Saliency and Discrete Cosine Transform Energy in Computed Tomography of Patients With COVID-19 by Santiago Tello-Mijares, Francisco Flores, Fomuy Woo

    Published 2025-01-01
    “…This study proposes an automated system for assessing lung damage severity in coronavirus disease 2019 (COVID-19) patients using computed tomography (CT) images. These preprocessed CT images identify the extent of pulmonary parenchyma (PP) and ground-glass opacity and pulmonary infiltrates (GGO-PIs). …”
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    Feasibility of Using High-Resolution Computed Tomography Features for Invasiveness Differentiation of Malignant Nodules Manifesting as Ground-Glass Nodules by Xinyue Chen, Benbo Yao, Juan Li, Chunxiao Liang, Rui Qi, Jianqun Yu

    Published 2022-01-01
    “…This study aimed to establish a radiomic model for invasiveness differentiation of malignant nodules manifesting as ground glass on high-resolution computed tomography (HRCT). Between January 2014 and July 2019, 276 pulmonary nodules manifesting as GGNs on preoperative HRCTs, whose histological results were available, were collected. …”
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    Clinical use of 3D computed tomography in diagnosis and therapy of tail necrosis in a ball python (Python regius) by Ts. Chaprazov

    Published 2025-03-01
    “…The main musculoskeletal diseases in reptiles diagnosed through computed tomography (CT) are vertebral malformations and disorders. …”
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    Cardiac Gated Computed Tomography Used to Confirm Iatrogenic Aortic Valve Leaflet Perforation after Mitral Valve Replacement by Luke Oakley, Kathleen Love, Alfredo Ramirez, Gilbert Boswell, Keshav Nayak

    Published 2013-01-01
    “…In contrast, cardiac gated computed tomography clearly visualized the defect and its surrounding structures. …”
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    Determination of Optimal Fluoroscopic Angulations for Left Main Coronary Artery Ostial Interventions: 3-Dimensional Computed Tomography Validation by Yuhe Sheng, Jie Yu, Quanmin Jing, Yaling Han, Yi Li, Kai Xu, Miaohan Qiu, Yingdong Wang, Gary S. Mintz, Bin Wang

    Published 2022-01-01
    “…This was validated independently using 3-dimensional computed tomography (3D-CT) reconstruction. Results. Satisfactory images of the overlapping wires in NCC and RCC could be obtained in 90% (45/50). …”
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    Investigating the Impact of Voxel Size and Postfiltering on Quantitative Analysis of Positron Emission Tomography/Computed Tomography: A Phantom Study by Ahmed Abdel Mohymen, Hamed Ibrahim Farag, Sameh M. Reda, Ahmed Soltan Monem, Said A. Ali

    Published 2024-12-01
    “…Aim: This study aims to investigate the influence of voxel size and postfiltering on the quantification of standardized uptake value (SUV) in positron emission tomography/computed tomography (PET/CT) images. Materials and Methods: National Electrical Manufacturers Association phantom with the spheres of different sizes were utilized to simulate the lesions. …”
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    Study on the Nomogram Model Based on Dual-energy Computed Tomography for Predicting Lymph Node Metastasis in Papillary Thyroid Carcinoma by Bo GAO, Jingbin ZHANG, Huizhi MI, Haiqiao SUN, Xiaohui LI, Jiaxing WU, Kexin ZHANG, Shaotong WANG, Xuan SU, Xinyue CUI

    Published 2025-01-01
    “…Objective: This study aimed to evaluate the effectiveness of a nomogram model based on dual-energy computed tomography (CT) quantitative parameters combined with clinical information for distinguishing metastatic from non-metastatic lymph nodes in patients with papillary thyroid carcinoma (PTC). …”
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