Showing 801 - 820 results of 864 for search '"CT scan"', query time: 0.07s Refine Results
  1. 801

    Evidence of Negative Effects of Defect Size and Older Patient Age by Quantitative CT-Based 3D Image Analysis in Ultraporous Beta-Tricalcium Phosphate Grafted Extremity Bone Defects... by Timothy A. Damron, Kenneth A. Mann

    Published 2018-01-01
    “…Twenty-one patients with CT scans at ≥1 year follow-up available for digital analysis (TCP=10, TCP w/BMA =11) form the study population. …”
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    Article
  2. 802

    Diagnostic Accuracy of Non-Contrast Magnetic Resonance Imaging in Diagnosing Pituitary Micro-Adenoma, Taking Histopathology as Gold Standard by Sehar Sarfraz, Tayyaba Ali, Pakeeza Shafiq, Zartashia Khan, Waqar Azeem, Ghazala Rasool, Ehsan Ul Haq

    Published 2025-01-01
    “…IRB/18/2024/01) included 121 patients presenting with severe headaches and focal brain lesions on CT scans at Doctors Hospital, Lahore from September 2024 to November 2024. …”
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  3. 803

    Differences in Clinical and Imaging Features between Asymptomatic and Symptomatic COVID-19 Patients by Xi Ma, Zhi-Yan Lu, Yan-Juan Qu, Li-Hong Xing, Yu Zhang, Yi-Bo Lu, Li Dong, Hong-Jun Li, Li Li, Xiao-Ping Yin, Chuan-Jun Xu

    Published 2022-01-01
    “…All patients underwent 4–6 CT scans over a period of 2–5 days. Results. The bulk of asymptomatic carriers who developed symptoms and most of the COVID-19 patients were older than 18 years of age with a decreased lymphocyte count, abnormal hepatic and renal function, and increased D-dimer and C-reactive protein. …”
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    Article
  4. 804

    Effect of Porous Chitosan Microspheres Loaded with Platelet-Rich Plasma and Bone Marrow-Derived Mesenchymal Stem Cells on Regeneration of Tibia Defect by Qi Chen, Ziru Zhao, Guoyong Yin

    Published 2019-01-01
    “…MTT assay was used to detect the proliferative ability of BMSCs after hypoxia/reoxygenation (H/R) treatment and the proliferative ability of BMSCs loaded by PCMs; polymerase chain reaction (PCR) was used to detect the expression of alkaline phosphatase (ALP), type I collagen (Col I), and type II collagen (Col II) in BMSCs after hypoxia and in BMSCs induced by PRP-loaded PCMs; PCR was used to detect the expression of Runt-associated transcription factor 2 (Runx2) and osteocalcin (OC) in the newly generated bone tissue; micro-CT scanning was applied to measure the bone mineral density and bone volume of the newly generated bone tissue in rats. …”
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  5. 805

    Dynamic Changes in Lung Function and Imaging in Patients with COVID-19 by Lingyan Ye, Bingyu Hu, Shuangxiang Lin, Meifang Chen, Yicheng Fang, Susu He

    Published 2022-01-01
    “…Lung function examinations and lung CT scans were performed at discharge and three months after discharge. …”
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  6. 806

    Mediators of monocyte chemotaxis and matrix remodeling are associated with mortality and pulmonary fibroproliferation in patients with severe COVID-19. by Sarah E Holton, Mallorie Mitchem, Hamid Chalian, Sudhakar Pipavath, Eric D Morrell, Pavan K Bhatraju, Jessica A Hamerman, Cate Speake, Uma Malhotra, Mark M Wurfel, Steven E Ziegler, Carmen Mikacenic

    Published 2024-01-01
    “…In a subset of patients who had CT scans during hospitalization (n = 75), we tested for associations between protein concentrations and radiographic features of fibroproliferation. …”
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    Article
  7. 807

    Dosimetric and Radiobiological Impact of Patient Setup Errors in Intensity-modulated Radiotherapy for Esophageal Cancer by Jia-Huan Cai MS, Xun Peng BMed, Jia-Yang Lu MS

    Published 2025-01-01
    “…Methods and materials This retrospective study with 56 patients in thermoplastic mask (TM) and vacuum bag (VB) groups utilized real setup-error (RSE) data from cone-beam CT scans to generate simulated setup-error (SSE) data following a normal distribution. …”
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  8. 808

    A Comparison of the Celiacomesenteric Trunk in the Caribbean with Global Prevalence Calculated by a Systematic Review by Shamir O. Cawich, Maurice Fortune, Rahul Deshpande, Michael Gardner, Neil Pearce, Peter Johnson, Vijay Naraynsingh

    Published 2022-01-01
    “…In this study, we evaluated all consecutive patients who had multiphase contrast-enhanced CT scans at two major referral centres in the Caribbean from August 30, 2017, to September 1, 2019. …”
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    Article
  9. 809

    Clinical evaluation of 3D PEEK implants for skull bone defects repair: a single center case serious by Mohamed Ahmed Elnaggar, Hossam Abdelhakim Elnoamany, Mohamed K. Eissa

    Published 2025-02-01
    “…All patients underwent preoperative CT scans for custom implant design using computer-aided design (CAD) software. …”
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  10. 810

    Leiomyosarcomas of the inferior vena cava: diagnostic features on contrast-enhanced CT, ultrasonography and MRI by Xiaolin Xu, Shilei Zhao, Lifang Xue

    Published 2025-02-01
    “…Common clinical symptoms included abdominal pain, back pain, leg discomfort, abdominal distension, jaundice, and the presence of an abdominal mass. On CT scans, a large, lobulated, heterogeneous mass with progressive enhancement was typically seen in 13 of the 21 patients (61.9%). …”
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  11. 811

    The natural course of cystic pancreatic neuroendocrine tumours in MEN1 by Eline N M van Vliembergen, Carolina R C Pieterman, Annenienke C van de Ven, Arthur J A T Braat, Gerlof D Valk, Joanne M de Laat

    Published 2025-02-01
    “…The median follow-up was 5.1 years. [68Ga]Ga-DOTATOC PET/CT scans showed that both cystic and solid lesions demonstrated [68Ga]Ga-DOTATOC PET/CT uptake. …”
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  12. 812

    18F-FDG-PET/CT can be used to predict distant metastasis in hypopharyngeal squamous cell carcinoma by Shinsuke Suzuki, Satoshi Toyoma, Tomoe Abe, Tentaro Endo, Teppei Kouga, Yohei Kaswasaki, Takechiyo Yamada

    Published 2022-04-01
    “…Methods This study included 121 patients who underwent pretreatment FDG-PET/CT scanning and subsequent treatment for HPSCC. The SUVmax was measured via FDG-PET/CT. …”
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  13. 813

    Exploration of the diagnostic and prognostic roles of decreased autoantibodies in lung cancer by Ying Ye, Ying Ye, Yi Huang, Yi Huang, Jianbo Pan, Jianbo Pan

    Published 2025-01-01
    “…Diagnosing malignant small lung nodules (≤3cm) in CT scans remains a challenge in clinical practice.MethodsIn this study, we applied the HuProt array and the bioinformatics analysis to assess the diagnostic values of the decreased autoantibodies in lung cancers.ResultsIn total, 15 types of decreased autoantibodies were identified, and 6 of them were constructed into a predictive model for early lung cancer, reaching a sensitivity of 76.19% and a specificity of 55.74%. …”
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  14. 814

    IMAGINER 2—improving accuracy with augmented realIty navigation system during placement of external ventricular drains over Kaufman's, Keen's, Kocher's and Frazier's point by Martin Vychopen, Fabian Kropla, Dirk Winkler, Erdem Güresir, Ronny Grunert, Ronny Grunert, Johannes Wach

    Published 2025-01-01
    “…Punctures were performed freehand (Freehand group) and with AR assistance (AR group). Post-procedure CT scans were used to compare the actual catheter tip positions with the ideal positions. …”
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  15. 815

    Effect of pulsed and continuous arcs on copper powders prepared by arc micro explosion machining by Bo Yin, Zhenyu Zhao, Wen Hu, Hui Xu

    Published 2025-01-01
    “…The properties and microstructure of the two types of copper powders were analyzed using high-resolution synchrotron X-ray computed tomography (CT), scanning electron microscopy(SEM), and Transmission electron microscope(TEM). …”
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  16. 816

    Total Psoas Area Predicts Complications following Radical Cystectomy by Timothy D. Lyon, Nicholas J. Farber, Leo C. Chen, Thomas W. Fuller, Benjamin J. Davies, Jeffrey R. Gingrich, Ronald L. Hrebinko, Jodi K. Maranchie, Jennifer M. Taylor, Tatum V. Tarin

    Published 2015-01-01
    “…Total psoas area was measured on preoperative CT scans and normalized for patient height. Multivariable logistic regression was used to determine whether TPA was a predictor of 90-day postoperative complications. …”
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  17. 817
  18. 818

    Visualization of Small Vessels by Micro–Computed Tomography Using Titanium Dioxide Nanoparticles as a Novel Contrast Agent by Taku Goto, Ruriko Tanabe, Hirotoshi Shibuya, Masaru Tamura, Shintaro Nomura

    Published 2025-01-01
    “…Histological samples were prepared from CT-scanned specimens. No perfusion-induced damage or abnormal structures were observed. …”
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  19. 819
  20. 820

    Feasibility and accuracy of CARLO© guided optic canal unroofing by Schicker Martina, Tu Ha Thanh, Luder Yann, Morawska Marta, Röthlisberger Michel

    Published 2024-09-01
    “…Success was defined as the accurate excavation of the optical canal, which was confirmed through post-experimental CT scans and photographic documentation. The experiment utilized five fresh frozen skulls, securely fixed in a Mayfield clamp to ensure a stable experimental setup. …”
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