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Mostrando 521 - 540 Resultados de 2,457 Para Buscar '"Oar"', tiempo de consulta: 0.42s Limitar resultados
  1. 521
    “…Treatment delivery time, PTVs coverage, conformity index (CI), organs at risk (OAR) dose, monitor units (MU), and gamma index were compared. …”
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    Online Artículo Texto
    Split-VMAT technique to control the deep inspiration breath hold time for breast cancer radiotherapy
  2. 522
    “…From these diagnostic scans, planning treatment volumes (PTV) and organs at risk (OAR) were contoured using the same technique as the patient’s actual treatment. …”
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    Dosimetry Comparison of Palliative Radiation Plans Generated From Available Diagnostic CT Images Versus Dedicated CT Simulation for Inpatients
  3. 523
    “…The hard setting required a lower PTV D(max) and stricter organ at risk (OAR) dose, while the easy setting was the opposite. …”
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    Online Artículo Texto
    Evaluation of a hybrid automatic planning solution for rectal cancer
  4. 524
    “…PURPOSE/OBJECTIVE(S): The aim of this study was to improve the accuracy of the clinical target volume (CTV) and organs at risk (OARs) segmentation for rectal cancer preoperative radiotherapy. …”
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    Online Artículo Texto
    Clinical target volume and organs at risk segmentation for rectal cancer radiotherapy using the Flex U-Net network
  5. 525
    “…The dose differences between the TPS and MC calculations highlight the importance of using 4D MC to confirm the safety of OAR doses before DTT treatments.…”
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    Online Artículo Texto
    Monte Carlo Modeling of Dynamic Tumor Tracking on a Gimbaled Linear Accelerator
  6. 526
    “…The method successfully achieved baseline separation and accurate quantification of their OAR species, which were also highly challenging using conventional LC-MS methods. …”
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    Online Artículo Texto
    Interrogating heterogeneity of cysteine-engineered antibody-drug conjugates and antibody-oligonucleotide conjugates by capillary zone electrophoresis-mass spectrometry
  7. 527
    “…RESULTS: Technical and clinical success rates were 100% and 76.9%, respectively. The D(90) and OAR doses were 39.7 Gy and 2.3 Gy, respectively. …”
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    Online Artículo Texto
    Intra-luminal iodine-125 brachytherapy in patients with esophageal carcinoma and 3/4 dysphagia score: A feasibility study
  8. 528
    “…Interplay effects caused fraction-wise median CTV coverage loss of 3pp and missed maximum dose constraints for heart and esophagus in 18% of scenarios. CTV coverage and OAR sparing fulfilled requirements in all cases when accumulating four interplay scenarios. …”
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    Online Artículo Texto
    Comparison of 3D and 4D robustly optimized proton treatment plans for non-small cell lung cancer patients with tumour motion amplitudes larger than 5 mm
  9. 529
    “…The Outphase images enhanced implant visibility resulting in smaller avoidance sectors, better OAR sparing, and improved PTV uniformity.…”
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    Synthetic computed tomography based dose calculation in prostate cancer patients with hip prostheses for magnetic resonance imaging-only radiotherapy
  10. 530
    “…CONCLUSION: The CT-plan is superior to the conventional plan in target volume coverage and appropriate evaluation of OARs, as the conventional plan overestimates tumor doses and underestimates OAR doses.…”
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    Comparison of conventional and CT-based planning for intracavitary brachytherapy for cervical cancer: target volume coverage and organs at risk doses
  11. 531
    “…An oar mutant produces CsgA but is unable to ripple or stimulate csgA mutants to develop suggesting that it is the channel for C-signaling. …”
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    Identification and Localization of Myxococcus xanthus Porins and Lipoproteins
  12. 532
    “…A dosimetric comparison was performed according to the 3 APBI modalities mentioned above and assessed: planning treatment volume (PTV) coverage, PTV/whole breast ratio, lung and heart distance within irradiated field and exposure of organs at risk (OAR). RESULTS: Adequate PTV coverage was obtained with the 3 different treatment planning. …”
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    Mixed modality treatment planning of accelerated partial breast irradiation: to improve complex dosimetry cases
  13. 533
    “…Similarly, dosimetric differences for the organs at risk (OAR) were also evaluated. RESULTS: Small differences between the primary dosimetric parameters for the target were found. …”
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    Assessment of I-125 seed implant accuracy when using the live-planning technique for low dose rate prostate brachytherapy
  14. 534
    “…On the other hand, Instillagel(®) and Space OAR™ “shrinks” objects in an ultrasound image for 0.65 mm and 0.40 mm, respectively. …”
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    Effect of using different U/S probe Standoff materials in image geometry for interventional procedures: the example of prostate
  15. 535
    “…Following extraneural infection with the JaOArS982 strain of JEV, infected mice exhibited clinical signs ranging from mild to fatal outcome. …”
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    TNF-α Acts as an Immunoregulator in the Mouse Brain by Reducing the Incidence of Severe Disease Following Japanese Encephalitis Virus Infection
  16. 536
    “…All tumour and organ at risk (OAR) contours, prescription and dose constraint details were provided. …”
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    Online Artículo Texto
    Dose planning objectives in anal canal cancer IMRT: the TROG ANROTAT experience
  17. 537
    “…Intensity-modulated radiation therapy (IMRT) is able to achieve good target conformance with a limited dose to organs at risk (OARs); however, IMRT increases the irradiation volume and monitor units (MUs) required. …”
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    Online Artículo Texto
    A feedback constraint optimization method for intensity-modulated radiation therapy of nasopharyngeal carcinoma
  18. 538
    “…Mean dose, D(30%), and D(5%) were evaluated for all organ at risk (OAR). Normal tissue complication probability was also calculated for all OARs using BioSuite software. …”
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    Estimation of the effects of normal tissue sparing using equivalent uniform dose-based optimization
  19. 539
    “…Intensity modulated radiotherapy (IMRT) provides the ability to reduce planned doses to healthy organs at risk (OAR) and can potentially reduce treatment‐related side effects. …”
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    Online Artículo Texto
    Toxicity and dosimetric analysis of non–small cell lung cancer patients undergoing radiotherapy with 4DCT and image‐guided intensity modulated radiotherapy: a regional centre's experience
  20. 540
    “…Dose calculation was based on [Image: see text] -values for both organs at risk (OAR) and the tumor. Twenty-five treatment plans and thirty-five forward calculations were created. …”
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    Online Artículo Texto
    Optimization of Carbon Ion Treatment Plans by Integrating Tissue Specific α/β-Values for Patients with Non-Resectable Pancreatic Cancer
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