Showing 781 - 800 results of 864 for search '"CT scan"', query time: 0.07s Refine Results
  1. 781

    BucketAugment: Reinforced Domain Generalisation in Abdominal CT Segmentation by David Jozef Hresko, Peter Drotar

    Published 2024-01-01
    “…<italic>Results:</italic> In our experiments, we focus on segmenting kidney and liver structures across three distinct medical datasets, each containing CT scans of the abdominal region collected from various clinical institutions and scanner vendors. …”
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  2. 782

    Study on Freezing-Thawing Failure Process of Natural Damage Sandstone Based on Cellular Automata by Hui Liu, Yali Xu, Huiqi Huang, Senlei Han, Hainan Xu

    Published 2022-01-01
    “…The failure process is the evolution of self-organization and has localization characteristics. The CT scanning test of sandstone with different freezing and thawing cycles was carried out. …”
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  3. 783

    Assessment of Stroke Case-fatality, Disability, Perceived Needs and Barriers for Care among First-ever Stroke Patients Attending a Tertiary Care Neuro-specialty Center in India: A... by Azad Devyani, Pradeep S. Banandur, Gautham Melur Sukumar, Girish Baburao Kulkarni, S. Mythirayee, Himani Rathore

    Published 2025-01-01
    “…Patients with confirmed computed tomography (CT) scans experiencing their first-ever stroke between September 1 and October 31, 2022, were contacted between November 1, 2022, and March 31, 2023. …”
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  4. 784

    Classification and detection of Covid-19 based on X-Ray and CT images using deep learning and machine learning techniques: A bibliometric analysis by Youness Chawki, Khalid Elasnaoui, Mohamed Ouhda

    Published 2024-03-01
    “…During the COVID-19 pandemic, it was crucial for the healthcare sector to detect and classify the virus using X-ray and CT scans. This has underlined the need for advanced Deep Learning and Machine Learning approaches to effectively spot and manage the virus's spread. …”
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  5. 785

    Automated Estimation of Acute Infarct Volume from Noncontrast Head CT Using Image Intensity Inhomogeneity Correction by Keith A. Cauley, Gino J. Mongelluzzo, Samuel W. Fielden

    Published 2019-01-01
    “…Identification of early ischemic changes (EIC) on noncontrast head CT scans performed within the first few hours of stroke onset may have important implications for subsequent treatment, though early stroke is poorly delimited on these studies. …”
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  6. 786

    A systematic review of neurological symptoms and brain abnormalities in SARS-CoV-2 infections by Daniel Montoya, Jacobo Albert, Sarah Lopez-Martin

    Published 2023-08-01
    “…Parallel to these neurological symptoms, white matter hyperintensities were the most frequent finding with MRI brain scanning, while hypodensities accounted for most of the lesions described with CT scanning. There was a significant occurrence of hemorrhages and microbleeds, with a prevalence of multifocal intracerebral bleeding patterns in all cerebrum and cerebellum lobes. …”
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  7. 787

    Determining anatomically-safe corridors for placement of lateral mass screws in the first cervical vertebra of the Emirati population – a CT study by Dineshwary Suresh, Nerissa Naidoo, Rashid AlSharhan, Usama Al Bastaki, Jeyaseelan Lakshmanan, Baylis Vivek Joseph, Ivan James Prithishkumar

    Published 2025-01-01
    “…The objective of this study was to describe ideal screw dimensions, precise entry points, safe bony corridors, and ideal trajectories for placement of lateral mass screws in the Emirati population. CT scans of 160 Emirati patients (> 18 years) were studied and variables relevant to lateral mass screw fixation were measured. …”
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  8. 788

    Spontaneous tumor regression following COVID-19 vaccination by Hui Dai, Renata Ferrarotto, Myrna Godoy, Diana Bell, Shiaw-Yih Lin, Daniel J McGrail, Luana Guimaraes de Sousa, Kaiyi Li, Mario L Marques-Piubelli, Cipriano Gonzalez, Sammy Ferri-Borgogno, Jared Burks

    Published 2022-03-01
    “…Highly multiplexed imaging mass cytometry showed that the postvaccination lung metastasis samples had remarkable immune cell infiltration, including CD4+ T cells, CD8+ T cells, natural killer cells, B cells, and dendritic cells, which contrasted with very low levels of these cells in the prevaccination primary tumor and lung metastasis samples. CT scans obtained 3, 6, and 9 months after the second vaccine dose demonstrated persistent tumor shrinkage (50%, 67%, and 73% reduction, respectively), suggesting that vaccination stimulated anticancer immunity. …”
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  9. 789

    Desmoplastic Small Round Cell Tumor of Stomach by Ahmed Abu-Zaid, Ayman Azzam, Asma AlNajjar, Hussa Al-Hussaini, Tarek Amin

    Published 2013-01-01
    “…A chest, abdominal, and pelvic contrast-enhanced computed tomography (CT) scans showed a 3.8 × 7.2 × 8.7 cm ill-defined mass, involving gastric fundus and extending into gastric cardia and lower gastroesophageal junction. …”
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  10. 790

    Can CT Image Reconstruction Parameters Impact the Predictive Value of Radiomics Features in Grading Pancreatic Neuroendocrine Neoplasms? by Florent Tixier, Felipe Lopez-Ramirez, Alejandra Blanco, Mohammad Yasrab, Ammar A. Javed, Linda C. Chu, Elliot K. Fishman, Satomi Kawamoto

    Published 2025-01-01
    “…However, variations in reconstruction parameters can impact the predictive value of radiomics. 127 patients with histopathologically confirmed PanNENs underwent CT scans with filtered back projection (B20f) and iterative (I26f) reconstruction kernels. 3190 radiomic features were extracted from tumors and pancreatic volumes. …”
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  11. 791

    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
    “…A curing lamp (Kerr Demi Ultra) was used with different curing times. Micro-CT scanning was performed by using Nikon XTH 225ST to reveal any defects in adaptation or gaps at the tooth restoration interface. …”
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  12. 792

    A case report of successful treatment of advanced thymic squamous cell carcinoma with poor performance status using multimodal therapy by Xianhua Xu, Xiang Yan, Yang Qin, Dan Kou, Qi Huang, Qiongcheng Chen, Yejin Li

    Published 2025-01-01
    “…Computed tomography (CT) and positron emission tomography/computed tomography (PET/CT) scans demonstrated a significant mass in the chest, accompanied by metastasis to adjacent lymph nodes. …”
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  13. 793

    Diagnostic Performance of Deep Learning Applications in Hepatocellular Carcinoma Detection Using Computed Tomography Imaging by Enes Şahin, Ozan Can Tatar, Mehmet Eşref Ulutaş, Sertaç Ata Güler, Turgay Şimşek, Nihat Zafer Utkan, Nuh Zafer Cantürk

    Published 2025-02-01
    “…Conclusion: The implementation of the YOLO architecture for detecting HCC in CT scans has shown substantial promise, indicating that DL models could soon become a standard tool in oncological diagnostics. …”
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  14. 794

    PEEK Cages versus PMMA Spacers in Anterior Cervical Discectomy: Comparison of Fusion, Subsidence, Sagittal Alignment, and Clinical Outcome with a Minimum 1-Year Follow-Up by Jan-Helge Klingler, Marie T. Krüger, Ronen Sircar, Evangelos Kogias, Christoph Scholz, Florian Volz, Christian Scheiwe, Ulrich Hubbe

    Published 2014-01-01
    “…Bony fusion, subsidence, and sagittal alignment were retrospectively assessed in CT scans and radiographs at follow-up. Clinical outcome was measured using the VAS, NDI, and SF-36. …”
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  15. 795

    Integrating manual annotation with deep transfer learning and radiomics for vertebral fracture analysis by Jing Wang, Zhirui Dong, Huanxin He, Zhiyang Gao, Yukai Huang, Guangcheng Yuan, Libo Jiang, Mingdong Zhao

    Published 2025-02-01
    “…MRI categorized VCFs. 3D regions of interest (ROIs) from CT scans underwent feature extraction and DTL modeling. …”
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  16. 796

    Relationships between Composition of Major Fatty Acids and Fat Distribution and Insulin Resistance in Japanese by Chikako Fujii, Toshihide Kawai, Koichiro Azuma, Yuko Oguma, Fuminori Katsukawa, Hiroshi Hirose, Kumiko Tanaka, Shu Meguro, Hideo Matsumoto, Hiroshi Itoh

    Published 2017-01-01
    “…Metabolic parameters and visceral and subcutaneous fat areas as determined by CT scanning at the umbilical level were measured. Glucose tolerance test (GTT) was performed by administering 75 g glucose orally. …”
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  17. 797

    Virtual 3D reconstruction of complex congenital cardiac anatomy from 3D rotational angiography by Ernesto Mejia, Shannon Sweeney, Jenny E. Zablah

    Published 2025-01-01
    “…Abstract Background Despite advancements in imaging technologies, including CT scans and MRI, these modalities may still fail to capture intricate details of congenital heart defects accurately. …”
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  18. 798

    Image-guided orbital surgery: a preclinical validation study using a high-resolution physical model by Andrew Dickson, Kealan McElhinney, Conor Murphy, Rizwana I Khan, Ronan P Kileen, Donncha F O’Brien

    Published 2024-05-01
    “…Five high-resolution 3D-printed model skulls were created using CT scans of five anonymised patients with an orbital tumour that previously had a successful orbital biopsy or excision. …”
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  19. 799

    Which Groups of Children Are at More Risk of Fatality during COVID-19 Pandemic? A Case-Control Study in Yazd, Iran by Behnam Shafaei, Zahra Nafei, Mehran Karimi, Nasrin Behniafard, Farimah Shamsi, Masoud Faisal, Amir Pasha Amel Shahbaz, Elahe Akbarian

    Published 2023-01-01
    “…Furthermore, 27.5% of survived patients had normal chest CT scans, which was a statistically significant difference compared to the deceased patients (P: 0.031). …”
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  20. 800

    Factors Associated With Multi-Drug Resistant Organisms Among Bronchiectasis Patients: A Retrospective Study of Bronchiectasis Patients in Jordan by Al Oweidat K, Toubasi AA, Khraisat FA, Al-Sayegh TN, Al-Harasis LM, Albtoosh AS

    Published 2025-01-01
    “…The diagnosis of bronchiectasis was established through lung Computerized Tomography (CT) scans and clinical symptom assessment.Results: The study encompassed 235 patients, revealing a notably higher occurrence of MDROs among non-cystic fibrosis patients compared to their counterparts (P-value=0.001). …”
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