Showing 2,461 - 2,480 results of 2,682 for search '"computed tomography"', query time: 0.08s Refine Results
  1. 2461

    Three-dimensional evaluation of tongue position and volume in adult patients with different skeletal malocclusions by CHIOU Wei-Cho, MEN Xinrui, ZHANG Kaiwen, JIANG Xiaoge, CHEN Song

    Published 2025-01-01
    “…Methods This study has been reviewed and approved by the Ethics Committee, and informed consent has been obtained from patients. Cone-beam computed tomography (CBCT) and cephalometric radiographs were collected from 60 adult patients, divided into three groups based on ANB angle values: skeletal Class I (0° < ANB < 4°), II (ANB > 4°), and III (ANB < 0°), with 20 cases in each group. …”
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  2. 2462

    Predictive value of enhanced CT and pathological indicators in lymph node metastasis in patients with gastric cancer based on GEE model by Ling Yang, Yingying Ding, Dafu Zhang, Guangjun Yang, Xingxiang Dong, Zhiping Zhang, Caixia Zhang, Wenjie Zhang, Youguo Dai, Zhenhui Li

    Published 2025-02-01
    “…Abstract Objectives A predictive model was developed based on enhanced computed tomography (CT), laboratory test results, and pathological indicators to achieve the convenient and effective prediction of single lymph node metastasis (LNM) in gastric cancer. …”
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  3. 2463

    Duodenal obstruction due to two congenital bands: a case report and literature review by Shiqiu Xiong, Kuku Ge, Chongzhi Hou, Hongbin Yang, Hanhua Zhang, Sheng Zhang, Bailing Liu, Yuewen Hao, Ying Fang, Xiaoxia Ren

    Published 2025-01-01
    “…Imaging techniques like plain x-ray, contrast x-ray, ultrasound, and computed tomography often indicated intestinal obstruction but were less effective in directly identifying congenital bands. …”
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  4. 2464

    Recurrent syncope after hysteroscopy finally diagnosed as cerebral venous sinus thrombosis: a case report by Yongqing Zhang, MD, Hongxing Ye, MD, Danqing Chen, MD, PhD, Guohui Yan, MD, Zhanfu Li, MD, Qianhui Xie, MD, Guodong Shan, MD, Zhaoxia Liang, MD, PhD

    Published 2025-02-01
    “…Ten hours later, she had recurrent syncope, nausea, and vomiting. Head computed tomography suggested cerebral edema, potentially indicating TURP syndrome. …”
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  5. 2465

    Marginal and Internal Adaptation Evaluation of Dental Composites Using Micro-CT by Adrian Tudor Stan, Laura Cîrligeriu, Laura Idorași, Meda Lavinia Negruțiu, Cosmin Sinescu, Daniela Maria Pop, Tareq Hajaj, Şerban Talpoș, Mihai Romînu

    Published 2019-01-01
    “…The aim of the study was to determine the marginal and internal adaptation after curing of different composite resin restorations, using a nondestructive X-ray micro-computed tomography (micro-CT). Forty previously extracted human molars, kept in 10% formalin to preserve the bonding capabilities of the tooth structures, were divided into four groups based on the composite system used and different light-curing times. …”
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  6. 2466

    Emerging Implications of Serum Resolvin D2 as a Biochemical Marker for Severity Assessment and Prognosis Prediction Following Moderate-Severe Traumatic Brain Injury: A Prospective... by Zong H, Zong Y, Li J, Zhao S, Wu W, Chen R, Zhao G, Li Z

    Published 2025-01-01
    “…The severity scoring systems encompassed the Rotterdam computed tomography classification and Glasgow Coma Scale (GCS). …”
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  7. 2467

    CT-based skeletal muscle loss predicts long term prognosis in patients with distal cholangiocarcinoma undergone pancreaticoduodenectomy by Guangzhen Qu, Shao-Cheng Lyu, Yong Zhang, Kun Gao, Chuanguo Zhou

    Published 2025-01-01
    “…The cross-sectional images of skeletal muscle area at the level of the third lumbar spine was obtained based on computed tomography (CT), and the SMI was calculated by skeletal muscle mass through height squared normalization. …”
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  8. 2468

    Round Window Accessibility Prediction in Cochlear Implant Surgery by Salah-eddine Youbi, Omar Oulghoul, Youssef Lakhdar, Atmane Zaroual, Mohamed Chehbouni, Othmane Benhoummad, Youssef Rochdi, Abdelaziz Raji

    Published 2024-11-01
    “…Objective is to predict round window (RW) accessibility during CI surgery using high-resolution computed tomography (HRCT). Methods: We retrospectively reviewed preoperative HRCT scans of 142 patients who underwent CI surgery via the standard posterior tympanotomy approach at our ENT Head and Neck Surgery department. …”
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  9. 2469

    Course of COVID-19 in Patients with Inflammatory Bowel Disease: Regional Experience by L. M. Kupkenova, E. N. Belousova, E. S. Bodryagina, D. D. Mukhametova, A. Kh. Odintsova, D. G. Iskhakova, D. I. Abdulganieva

    Published 2023-02-01
    “…All patients underwent physical examination, laboratory and instrumental diagnostic methods, including a PCR test for SARSCoV-2. Chest computed tomography was performed in patients with clinical signs of moderate to severe COVID-19.Results. …”
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  10. 2470

    Radiomics for Predicting the Development of Brain Edema from Normal-Appearing Early Brain-CT After Cardiac Arrest and Return of Spontaneous Circulation by Michael Scheschenja, Eva-Marie Müller-Stüler, Simon Viniol, Joel Wessendorf, Moritz B. Bastian, Jarmila Jedelská, Alexander M. König, Andreas H. Mahnken

    Published 2025-01-01
    “…The timing of brain imaging remains a topic of ongoing debate. Early computed tomography (CT) scans can reveal acute intracranial pathologies but may have limited predictive value due to delayed manifestation of HIBI-related changes. …”
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  11. 2471
  12. 2472

    Intratumoral and peritumoral radiomics using multi-phase contrast-enhanced CT for diagnosis of renal oncocytoma and chromophobe renal cell carcinoma: a multicenter retrospective st... by Yongsong Ye, Bei Weng, Yan Guo, Lesheng Huang, Shanghuang Xie, Guimian Zhong, Wenhui Feng, Wenxiang Lin, Zhixuan Song, Huanjun Wang, Tianzhu Liu

    Published 2025-02-01
    “…PurposeTo construct diagnostic models that distinguish renal oncocytoma (RO) from chromophobe renal cell carcinoma (CRCC) using intratumoral and peritumoral radiomic features from the corticomedullary phase (CMP) and nephrographic phase (NP) of computed tomography, and compare model results with manual and radiological results.MethodsThe RO and CRCC cases from five centers were split into a training set (70%) and a validation set (30%). …”
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  13. 2473

    Safety and Feasibility of Transanal Endoscopic Surgery for Diffuse Cavernous Hemangioma of the Rectum by Ziwei Zeng, Xianrui Wu, Junji Chen, Shuangling Luo, Yujie Hou, Liang Kang

    Published 2019-01-01
    “…The level of hemoglobin at admission ranged from 59.0 to 148.0 g/l (mean 106.6 g/l), and the level of mean corpuscular volume (MCV) ranged from 75.1 fl to 93.5 fl (mean 83.7 fl). Colonoscopy, computed tomography (CT), and magnetic resonance imaging (MRI) were important in the diagnosis of DCHR because of their high positive rates and accurate features. …”
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  14. 2474

    Florid Cemento-Osseous Dysplasia-Associated Simple Bone Cyst Showing Marked Irregular Border and High Apparent Diffusion Coefficient Value by Ikuho Kojima, Takashi Nishioka, Maya Sakamoto, Yuko Sai, Yushi Ezoe, Masahiro Iikubo, Hiroyuki Kumamoto, Tetsu Takahashi

    Published 2020-01-01
    “…SBC has been reported to occur with fibrous-osseous lesions, including cemento-osseous dysplasia (COD). Computed tomography (CT) imaging findings are sparse, and there are no reports of magnetic resonance imaging (MRI) findings, including apparent diffusion coefficient (ADC) value calculated by diffusion-weighted MRI for the florid COD-associated SBC. …”
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  15. 2475

    Evaluation of CBCT reconstructed tooth models at different thresholds and voxels and their accuracy in fusion with IOS data: an in vitro validation study by Yusong Zhang, Yixin Liu, Tianqi Liu, Jiahao Zhang, Peiying Lin, Dongxu Liu

    Published 2024-12-01
    “…Abstract Background This study aims to evaluate the impact of different thresholds and voxel sizes on the accuracy of Cone-beam computed tomography (CBCT) tooth reconstruction and to assess the accuracy of fused CBCT and intraoral scanning (IOS) tooth models using curvature continuity algorithms under varying thresholds and voxel conditions. …”
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  16. 2476

    The Role of 3D Virtual Anatomy and Scanning Environmental Electron Microscopy in Understanding Morphology and Pathology of Ancient Bodies by Sara Salucci, Mirko Traversari, Laura Valentini, Ilaria Versari, Luca Ventura, Emanuela Giampalma, Elena Righi, Enrico Petrella, Pietro Gobbi, Gianandrea Pasquinelli, Irene Faenza

    Published 2025-01-01
    “…For this reason, computed tomography, a well-established approach that achieves optimal image contrast and three-dimensional reconstruction, has been introduced. …”
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  17. 2477

    Study of a Deep Learning Reconstruction Algorithm for Displaying Small- and Medium-sized Blood Vessels in Upper Abdominal Energy Spectrum CT by Qin WANG, Weijie YAN, Yuan YUAN, Hehan TANG, Liping DENG

    Published 2025-01-01
    “…Objective: To investigate the effectiveness and clinical value of using a deep learning reconstruction algorithm (DLIR) to display small blood vessels in upper abdominal computed tomography (CT) with an enhanced energy spectrum. …”
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  18. 2478

    Application of the Canon 320 Row Variable Helical Pitch CTA System Combined with Iterative Reconstruction Technology for Lower Limb Vascular Imaging by Wenchao JI, Weili TIAN, Wenya LIU, Lianghao HE, Jian YANG

    Published 2025-01-01
    “…Objectives: To investigate the image quality obtained using the Canon 320 row variable helical pitch (vHP) computed tomography (CT) system combined with iterative reconstruction technology for lower limb angiography and the radiation exposure to patients. …”
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  19. 2479

    Low-cost male urogenital simulator for penile implant surgery training: a 3D printing approach by Zixi Wang, Carlo Saija, Nicholas Raison, Abdullatif Aydin, Zhouyang Xu, Katie Zuo, Kawal Rhode, Antonia Pontiki

    Published 2025-01-01
    “…Methods Utilizing image segmentation of patient pre-operative computed tomography (CT) scans, combined with three-dimensional (3D) printing and silicone molding techniques, we developed a high-fidelity simulator replicating the anatomical structures of the male urogenital system. …”
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  20. 2480

    Identification of progressive pulmonary fibrosis: consensus findings from a modified Delphi study by Athol U. Wells, Simon L. F. Walsh, Ayodeji Adegunsoye, Vincent Cottin, Sonye K. Danoff, Anand Devaraj, Kevin R. Flaherty, Peter M. George, Kerri A. Johannson, Martin Kolb, Yasuhiro Kondoh, Andrew G. Nicholson, Sara Tomassetti, Elizabeth R. Volkmann, Kevin K. Brown

    Published 2024-12-01
    “…Decline in forced vital capacity (FVC), decline in diffusing capacity of the lungs for carbon monoxide, and increased fibrosis on high-resolution computed tomography (HRCT) were ranked as the most important endpoints for determining progression. …”
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