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Mostrando 501 - 520 Resultados de 2,457 Para Buscar '"Oar"', tiempo de consulta: 0.17s Limitar resultados
  1. 501
    “…Domain experts identified as anatomically significant nine prostate and ten lung organs-at-risk (OAR) structures and manually labeled them according to the TG-263 standards, and remaining structures were labeled as Non_OAR. …”
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    Integrated Natural Language Processing and Machine Learning Models for Standardizing Radiotherapy Structure Names
  2. 502
    “…Final plans were then optimized using high-priority MD OARs and low-priority AD OARs and compared with reference plans generated using all MD OARs. …”
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    An Automated Workflow to Improve Efficiency in Radiation Therapy Treatment Planning by Prioritizing Organs at Risk
  3. 503
    “…On average, ROH segments covered about 12% of the genomes; the coverage rate of OAR20 was the lowest and that of OAR2 was the highest. …”
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    Genome-Wide Analysis Revealed Homozygosity and Demographic History of Five Chinese Sheep Breeds Adapted to Different Environments
  4. 504
    “…BACKGROUND AND PURPOSE: In radiotherapy (RT) for pancreatic cancer, the dose to adjacent organs-at-risk (OAR) often limits the delivery of curative dose. …”
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    A preferred patient decubitus positioning for magnetic resonance image guided online adaptive radiation therapy of pancreatic cancer
  5. 505
    “…CONCLUSIONS: PBS for PMRT in the arms down position appeared stable and reproducible compared to the traditional arms up positioning. The degree of OAR sparing in the arms down group was minimally less robust but still far superior to conventional photon therapy.…”
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    Arms positioning in post-mastectomy proton radiation: Feasibility and development of a new arms down contouring atlas
  6. 506
    “…Another 40 rectal cancer patients were used for an end-to-end evaluation for both autosegmentation and treatment planning. The PTV and OAR segmentation was compared with manual segmentation. …”
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    An Artificial Intelligence-Based Full-Process Solution for Radiotherapy: A Proof of Concept Study on Rectal Cancer
  7. 507
    “…Planning organ at risk volume (PRV) estimates have been reported as methods for sparing organs at risk (OARs) during radiation therapy, especially for hypofractioned and/or dose‐escalated protocols. …”
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    Estimation of planning organ at risk volumes for ocular structures in dogs undergoing three‐dimensional image‐guided periocular radiotherapy with rigid bite block immobilization
  8. 508
    “…Planning evaluation and dosimetric measurements showed that the VMAT-MCO plan using visualized navigation can provide sparing of OAR doses without compromising the target coverage in the same OAR dose constraints.…”
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    Multi-criteria optimization for planning volumetric-modulated arc therapy for prostate cancer
  9. 509
    “…In this situation, the thyroid gland is considered as an organ at risk (OAR) and receives a significant dose of radiation. …”
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    An Underestimated Toxicity Radiation-Induced Hypothyroidism in Patients Multimodally Treated for Breast Cancer
  10. 510
    “…Linear regression models for individual OARs were created to predict the D(mean) to the OARs for VMAT and IMPT plans. …”
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    A Decision Support Tool to Optimize Selection of Head and Neck Cancer Patients for Proton Therapy
  11. 511
    “…Comparative outcomes were assessed for a clinically relevant range of example patients differing by age, sex, smoking status, and representative organs at risk (OAR) radiation doses informed by the RAPID trial. …”
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    Informing radiotherapy decisions in stage I/IIa Hodgkin lymphoma: modeling life expectancy using radiation dosimetry
  12. 512
    “…To reduce the potential burden of radiation toxicity to organs at risk (OAR), high-quality coverage and homogeneity are essential. …”
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    Whole body irradiation with intensity-modulated helical tomotherapy prior to haematopoietic stem cell transplantation: analysis of organs at risk by dose and its effect on blood kinetics
  13. 513
    “…Reaction of [CoCp(2)][Tp(iPr)MoOS(OAr)] [Cp = η(5)-cyclopentadienyl; Tp(iPr) = hydrotris(3-isopropylpyrazol-1-yl)borate; OAr = phenolate or derivative thereof] with [Cu(NCMe)(Me(3)tcn)]BF(4) (Me(3)tcn = 1,4,7-trimethyl-1,4,7-triazacyclononane) in MeCN at –30 °C results in the formation of red-brown/black, paramagnetic, μ-sulfido-Mo(v)/Cu(i) complexes, Tp(iPr)MoO(OAr)(μ-S)Cu(Me(3)tcn). …”
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    Models for aerobic carbon monoxide dehydrogenase: synthesis, characterization and reactivity of paramagnetic Mo(V)O(μ-S)Cu(I) complexes
  14. 514
    “…METHODS AND MATERIALS: Targets and organs at risk (OARs) were segmented for 10 patients with breast cancer according to NSABP B39/RTOG 0413 protocol. …”
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    Improved Ipsilateral Breast and Chest Wall Sparing With MR-Guided 3-fraction Accelerated Partial Breast Irradiation: A Dosimetric Study Comparing MR-Linac and CT-Linac Plans
  15. 515
    “…BACKGROUND: In radiotherapy inaccuracy in organ at risk (OAR) delineation can impact treatment plan optimisation and treatment plan evaluation. …”
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    Interobserver variability in organ at risk delineation in head and neck cancer
  16. 516
    “…Daily adaptation demonstrated a benefit for tumor coverage and OAR sparing. The severity of observed acute and late toxicities was low. …”
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    Stereotactic MR-Guided Radiotherapy for Pancreatic Tumors: Dosimetric Benefit of Adaptation and First Clinical Results in a Prospective Registry Study
  17. 517
    “…Two different normalizations were performed: (1) Normalization to the target: prescription of 7.1 Gy to the D90% (defined as the minimum dose covering 90%) of the high-risk clinical target volume (HR-CTV); (2) Normalization to the OARs. HR-CTV coverage and OARs sparing were compared. …”
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    Boost modalities in cervical cancer: dosimetric comparison between intracavitary BT vs. intracavitary + interstitial BT vs. SBRT.
  18. 518
    “…Two versions of WL have been defined to reproduce manual plans (WL01), and to improve the OAR sparing without affecting minimum target coverage and plan delivery accuracy (WL02). …”
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    Updating approach for lexicographic optimization-based planning to improve cervical cancer plan quality
  19. 519
    “…Largest differences for OARs are −4.1 cc and +1.6 cc in the V50% for the bladder and the rectum, respectively. …”
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    Single Institution’s Dosimetry and IGRT Analysis of Prostate SBRT
  20. 520
    “…Analysis of the delta-radiomic profiles in OAR revealed significant variation in metrics after only one week of RT in bladder and rectal wall adjacent to the prostate. …”
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    Serial T2-Weighted Magnetic Resonance Images Acquired on a 1.5 Tesla Magnetic Resonance Linear Accelerator Reveal Radiomic Feature Variation in Organs at Risk: An Exploratory Analysis of Novel Metrics of Tissue Response in Prostate Cancer
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