Materias dentro de su búsqueda.
Mostrando 2,121 - 2,140 Resultados de 2,457 Para Buscar '"Oar"', tiempo de consulta: 0.14s Limitar resultados
  1. 2121
    “…Dose–volume parameters and indices of conformity were calculated for the planning target volume (PTV) and organs‐at‐risk (OARs). Furthermore, anatomical differences among patient positions were quantified to explain dosimetrical differences. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Four irradiation and three positioning techniques for whole‐breast radiotherapy: Is sophisticated always better?
  2. 2122
    “…The difference between the doses to OARs of H&N for two beams was under 3%. Brain mean dose, brainstem, and optic chiasm max doses were, respectively, 7.5%–14.9%, 2.2%–8.1%, and 2.5%–19.0% lower for the 2.5 MV beam in the nasal cavity, orbit, and GBM plans. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Treatment planning with a 2.5 MV photon beam for radiation therapy
  3. 2123
    “…However, dose constraints of organs at risk (OARs) predictive of severe toxicity remain unknown. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Dose evaluations of organs at risk and predictions of gastrointestinal toxicity after re-irradiation with stereotactic body radiation therapy for pancreatic cancer by deformable image registration
  4. 2124
    “…For nine patients, medians of the absolute estimation errors for targets and OARs were less than 0.2 Gy ([Formula: see text]), 0.3 Gy ([Formula: see text]), and 0.1 Gy ([Formula: see text]). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Accurate estimation of daily delivered radiotherapy dose with an external treatment planning system
  5. 2125
    por Kruis, Matthijs Ferdinand
    Publicado 2021
    “…Furthermore, it improves the visibility of tumors, for a wide variety of malignancies as well as organs‐at‐risk OARs, which could reduce treatment uncertainty. And finally, spectral CT provides quantitative physiological information, which can be used to personalize and quantify treatment.…”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Improving radiation physics, tumor visualisation, and treatment quantification in radiotherapy with spectral or dual‐energy CT
  6. 2126
    “…There was a group * time effect for the OARS scale (p=0.02), the TAPA-1 (p=0.06) and the TAPA-2 (p=0.007) scores. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Impacts of Remote Physical Exercises on Functional Status and Mobility among Community-Dwelling Pre-Disabled Seniors during the Covid-19 Lockdown
  7. 2127
    “…MATERIALS AND METHODS: Two expert observers contoured CTVs/OARs of 20 patients in our Treatment Planning System (TPS). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Real-world validation of Artificial Intelligence-based Computed Tomography auto-contouring for prostate cancer radiotherapy planning
  8. 2128
    “…HT‐GRID plans also have more options for tumors with complex anatomical relationships between the GTV and the avoidance OARs (abutment or close proximity). PACS numbers: 87.55.D, 87.55.de, 87.55.ne, 87.55.tg…”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Spatially fractionated radiotherapy (GRID) using helical tomotherapy
  9. 2129
    “…Comparisons were performed for dosimetric parameters of PTV and of OARs (lungs, spinal cord PRV, heart and normal tissue (NT)). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Applying the technique of volume‐modulated arc radiotherapy to upper esophageal carcinoma
  10. 2130
    “…The GTV and the organs at risk (OARs) were defined on the end‐exhale images for CyberKnife planning and were then deformed to the midventilation images (MidV) for VMAT optimization. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Dosimetric evaluation of four‐dimensional dose distributions of CyberKnife and volumetric‐modulated arc radiotherapy in stereotactic body lung radiotherapy
  11. 2131
    “…Plan quality metric values for the lumpectomy cavity, whole‐breast and doses to the organs at risk (OARs) were measured and compared with those from the original plans. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Dosimetric study of the plan quality and dose to organs at risk on tangential breast treatments using the Halcyon linac
  12. 2132
    “…We compared conformity (COIN(90), COIN(100)), dose coverage of PTV (D(90), VPTV(90), VPTV(100)), volumes of body receiving 10-90% of PD (V(10)-V(90)), doses to OARs (D(0.1cc) and D(2cc)) of BT and electron plans. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    A dosimetric study of electron beam therapy vs. high-dose-rate mould brachytherapy in adjuvant treatment of non-melanoma skin carcinomas of the head and neck region
  13. 2133
    “…PURPOSE: The aim of the study was to perform a prospective analysis of dosimetric consequences of rectal enema administration before vaginal cuff brachytherapy (VCB), the dose distribution in organs at risk (OARs), and the presence of air gaps (AGs) in patients with cervical or endometrial cancer. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Dosimetric evaluation of vaginal cuff brachytherapy planning in cervical and endometrial cancer patients
  14. 2134
    “…Gross tumor volume (GTV) coverage and organs-at-risk (OARs) doses were evaluated on MRI(ver) and MRI(post). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Feasibility of ablative stereotactic body radiation therapy of pancreas cancer patients on a 1.5 Tesla magnetic resonance-linac system using abdominal compression
  15. 2135
    “…Range shifts and dose differences in OARs between DLCT and SECT in helium and carbon ion treatment plans were similar to protons. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Dual‐layer spectral CT for proton, helium, and carbon ion beam therapy planning of brain tumors
  16. 2136
    “…RESULTS: Combined treatment plans improved plan quality compared to IMRT treatments, especially in regard to reductions of low and medium doses to organs at risk (OARs), which translated into lower NTCP estimates for three side effects. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Combined proton–photon therapy for non‐small cell lung cancer
  17. 2137
    “…Dosimetric differences in planning target volumes (PTVs) and organs at risk (OARs) between treatment planning system and reconstruction were evaluated by dose volume histogram metrics. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Application of a linear interpolation algorithm in radiation therapy dosimetry for 3D dose point acquisition
  18. 2138
    “…CONCLUSIONS: SGRT‐based DIBH radiotherapy can better protect the four OARs of right‐sided breast cancer patients with RNI. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    SGRT‐based DIBH radiotherapy practice for right‐sided breast cancer combined with RNI: A retrospective study on dosimetry and setup accuracy
  19. 2139
    “…Gamma criteria of 1 mm/1 % (local dose) can be met by all PDDs of fields larger than 1 × 1 cm(2), and by all OARs of no larger than 20 × 20 cm(2), otherwise criteria of 1 mm/2 % can be fulfilled. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Monte Carlo simulation of beam characteristics from small fields based on TrueBeam flattening-filter-free mode
  20. 2140
    “…High-risk clinical target volume (CTVHR) and organs at risk (OARs) such as bladder, rectum, and sigmoid were contoured. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Impact of different dose prescription schedules on EQD(2) in high-dose-rate intracavitary brachytherapy of carcinoma cervix
Herramientas de búsqueda: RSS