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Mostrando 301 - 320 Resultados de 2,457 Para Buscar '"Oar"', tiempo de consulta: 0.46s Limitar resultados
  1. 301
    “…A series of bioinformatics analyses including functional enrichment, machine learning prediction, and competing endogenous RNA (ceRNA) network analyses were conducted to identify subsets of the potential candidate miRNAs (e.g., oar_miR_148a, oar_miR_362, and oar_miR_432) and circRNAs (e.g., novel_circ_0011066, novel_circ_0010460, and novel_circ_0006589) involved in sheep mammary gland development. …”
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    Non-coding transcriptomic profiles in the sheep mammary gland during different lactation periods
  2. 302
    “…When comparing SBRT plans, 10/14 (71%) SBRT(boost) and 12/20 (60%) SBRT(alone) plans were within OAR dose constraints. For three patients, SBRT(boost) plans were within OAR constraints while SBRT(alone) plans were not. …”
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    Stereotactic body radiation therapy (SBRT) following Yttrium-90 ((90)Y) selective internal radiation therapy (SIRT): a feasibility planning study using (90)Y delivered dose
  3. 303
    “…Dose-Volume Histograms (DVHs) and Conformity Number (CN) were calculated and then compared, both for target and OAR by a statistical analysis (Wilcoxon’s Test). …”
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    Different IMRT solutions vs. 3D-Conformal Radiotherapy in early stage Hodgkin’s lymphoma: dosimetric comparison and clinical considerations
  4. 304
    “…We evaluated measures of target coverage as well as doses to organs at risk (OAR) for each algorithm. We compared the results of each algorithm in the cases where PTV overlapped OAR (n = 10) to cases without overlapping OAR with PTV (n = 5). …”
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    Heterogeneity correction for intensity-modulated frameless SRS in pituitary and cavernous sinus tumors: a retrospective study
  5. 305
    “…The target volume coverage indicators included average dose, conformity index (CI), and homogeneity index (HI) of planning tumor volume (PTV). OAR included the bladder, small intestine, colon, and bilateral proximal femurs. …”
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    Dosimetric Comparative Study of 3 Different Postoperative Radiotherapy Techniques (3D-CRT, IMRT, and RapidArc) for II–III Stage Rectal Cancer
  6. 306
    “…The measured peripheral doses data in the phantom were utilized to estimate the peripheral OAR dose. Peripheral dose from MV‐CBCT imaging increased with increasing number of MUs used for imaging protocol and with increasing the imaging field size. …”
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    Peripheral dose from megavoltage cone‐beam CT imaging for nasopharyngeal carcinoma image‐guided radiation therapy
  7. 307
    “…RESULTS: The most significant SNPs for prediction of P/NP and H/NH were OAR10_29546872.1 and OAR10_29458450, respectively, located on chromosome 10 close to the 1.78-kb insertion at 29.5 Mb. …”
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    Genomic prediction of the polled and horned phenotypes in Merino sheep
  8. 308
    “…The two borohydride ligands bound to uranium outside the macrocyclic cleft are readily substituted by aryloxide ligands, resulting in a single, weakly-bound, encapsulated endo group 1 metal borohydride bridging the two U(III) centres in [{U(OAr)}(2)(μ-MBH(4))(L(A))(THF)(2)] 2-M (OAr = OC(6)H(2)(t)Bu(3)-2,4,6, M = Na, K). …”
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    Multi-electron reduction of sulfur and carbon disulfide using binuclear uranium(iii) borohydride complexes
  9. 309
    “…Purpose: To present a retrospective analysis of the efficacy, toxicity, and quality of life (QoL) of patients treated with OAR(Extreme)-sparing stereotactic body radiotherapy (SBRT) in previously-irradiated head and neck cancer. …”
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    Quality of Life Outcomes Following Organ-Sparing SBRT in Previously Irradiated Recurrent Head and Neck Cancer
  10. 310
    “…Based on the NTCP evaluation, the NTCP reduction for GI-OARs by 3D-PSPBT was minimal in comparison with IMRT and VMAT. …”
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    Dose–Volume and Radiobiological Model-Based Comparative Evaluation of the Gastrointestinal Toxicity Risk of Photon and Proton Irradiation Plans in Localized Pancreatic Cancer Without Distant Metastasis
  11. 311
    “…The purpose of this work is to evaluate the performance of applying patient dosimetric information induced by individual uniform-intensity radiation fields in organ-at risk (OAR) dose-volume histogram (DVH) prediction, and extend to DVH prediction of planning target volume (PTV). …”
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    Evaluation of dose-volume histogram prediction for organ-at risk and planning target volume based on machine learning
  12. 312
    “…However, target coverage and OAR doses can be further improved by MR-guided online adaptive planning to account for interfractional geometric variations. …”
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    Interfractional Geometric Variations and Dosimetric Benefits of Stereotactic MRI Guided Online Adaptive Radiotherapy (SMART) of Prostate Bed after Radical Prostatectomy: Post-Hoc Analysis of a Phase II Trial
  13. 313
    “…The percentages of patients with at least one CTV or OAR V-CT/cumulative dose LDD were 20.3%/25.0% and 72.0%/54.0% for masked and maskless patients, respectively. …”
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    Dose delivery reproducibility for PBS proton treatment of breast cancer patients with and without mask immobilization
  14. 314
    “…However, few have reported outcomes for prostate SBRT using periprostatic hydrogel spacer (SpaceOAR; Augmenix). Herein, we report safety and efficacy outcomes from our institutional prostate SBRT experience with SpaceOAR placement. …”
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    Stereotactic body radiotherapy with periprostatic hydrogel spacer for localized prostate cancer: toxicity profile and early oncologic outcomes
  15. 315
    “…KBPs had overall better sparing of OAR at the minimal increased of average total monitor units and beam‐on time by 460 (P < 0.05) and 19.2 s, respectively. …”
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    Development and clinical validation of a robust knowledge‐based planning model for stereotactic body radiotherapy treatment of centrally located lung tumors
  16. 316
    “…The largest median improvements in GTV near-minimum dose (D(98%)) were found for the liver (6.3%, p < 0.001), lung (3.9%, p < 0.001), and abdominal lymph nodes (6.8%, p < 0.001) subgroups. Regarding OAR sparing, the largest median OAR dose reduction during plan adaption was found for the pancreas subgroup (-87.0%). …”
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    Dosimetric benefit of MR-guided online adaptive radiotherapy in different tumor entities: liver, lung, abdominal lymph nodes, pancreas and prostate
  17. 317
    “…Comparison of 4DMC(recal) and 3DMCO plans showed that organ deformations resulted in lower OAR doses. Renormalizing the 4DMC(recal) plans could produce OAR doses higher than the tolerances in some 4DMC(renorm) plans. …”
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    Comparison of 3D and 4D Monte Carlo optimization in robotic tracking stereotactic body radiotherapy of lung cancer
  18. 318
    “…BACKGROUND: Online adaptive stereotactic radiotherapy allows for improved target and organ at risk (OAR) delineation and inter-fraction motion management via daily adaptive planning. …”
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    The first reported case of a patient with pancreatic cancer treated with cone beam computed tomography-guided stereotactic adaptive radiotherapy (CT-STAR)
  19. 319
    “…Percentage depth dose (PDD) and off axis ratio (OAR) were evaluated with gamma passing rates (GPRs) implemented in PRIMO. …”
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    Monte Carlo simulation of linac using PRIMO
  20. 320
    “…The increase in mean dose of other OAR compared to no BMS was constrained to 1 Gy. …”
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    The impact of bone marrow sparing on organs at risk dose for cervical cancer: a Pareto front analysis
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