Recurrent Glioblastoma Treated with Bevacizumab: Contrast-enhanced T1-weighted Subtraction Maps Improve Tumor Delineation and Aid Prediction of Survival in a Multicenter Clinical Trial

作者: Benjamin M. Ellingson , Hyun J. Kim , Davis C. Woodworth , Whitney B. Pope , Jonathan N. Cloughesy

DOI: 10.1148/RADIOL.13131305

关键词: BevacizumabPredictive value of testsRadiologyClinical trialSurvival rateMedicineSubtractionReceiver operating characteristicMagnetic resonance imagingSurgeryRandomized controlled trialRadiology Nuclear Medicine and imaging

摘要: Multivariate survival analyses, visual observations, and receiver operating characteristic comparisons helped demonstrate that, compared with conventional segmentation, contrast-enhanced T1-weighted subtraction maps of contrast-enhancing lesions produce better stratification high- low-risk patients treated bevacizumab therefore should be used in future clinical trials involving evaluation antiangiogenic therapies brain tumors.

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