Search results for "Interobserver variability"

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Interobserver variability in rectum contouring in high-dose-rate brachytherapy for prostate cancer: A multi-institutional prospective analysis

2017

PURPOSE: The aim of this study was to evaluate the interobserver variability (KW) of rectum contouring, and its dosimetric consequences, for high-dose-rate brachytherapy in patients with prostate cancer across multiple institutions. METHODS AND MATERIALS: Five radiation oncologists contoured rectums in 10 patients on transperineal ultrasound image sets after establishing a delineation consensus. The D-0.1cc, D-1cc, and D-2cc rectum volume parameters were determined. The mean, standard deviation, and range of each dose-volume histogram parameter were evaluated for each patient. The JOY was determined using the coefficient of variation, and the dosimetric impacts on the total dose were analyz…

MaleOrgans at Riskmedicine.medical_specialtyCoefficient of variationmedicine.medical_treatmentBrachytherapyBrachytherapyRectumRadiation DosageStandard deviationEndosonography030218 nuclear medicine & medical imaging03 medical and health sciencesProstate cancer0302 clinical medicineHumansMedicineRadiology Nuclear Medicine and imagingProspective StudiesObserver VariationContouringProstate cancerbusiness.industryEquivalent doseRadiotherapy Planning Computer-AssistedRectumProstatic NeoplasmsRadiotherapy DosageOrgan Sizemedicine.diseaseHigh-Dose Rate Brachytherapymedicine.anatomical_structureOncologyContouringHigh-dose-rate brachytherapy030220 oncology & carcinogenesisRadiologyInterobserver variabilitybusinessNuclear medicineBrachytherapy

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PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
  - PE2_1Theory of fundamental interactions
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LSLife Sciences
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SHSocial Sciences and Humanities
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