PO-0636: Impact of DWI-MRI for gross tumor volume definition in patients with recurrent glioblastoma
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Approach to dose definition to the gross tumor volume for lung cancer with respiratory tumor motion
The purpose of this study was to validate the dose prescription defined to the gross tumor volume (GTV) 3D and 4D dose distributions of stereotactic radiotherapy for lung cancer. Treatment plans for 94 patients were generated based on computed tomography (CT) under free breathing. A uniform margin of 8 mm was added to the internal target volume (ITV) to generate the planning target volume (PTV)...
متن کاملThe Impact of Diffusion-Weighted MRI on the Definition of Gross Tumor Volume in Radiotherapy of Non-Small-Cell Lung Cancer
OBJECTIVE The study was designed to evaluate diffusion-weighted magnetic resonance imaging (DWI) vs. PET-CT of the thorax in the determination of gross tumor volume (GTV) in radiotherapy planning of non-small-cell lung cancer (NSCLC). MATERIALS AND METHODS Eligible patients with NSCLC who were supposed to receive definitive radio(chemo)therapy were prospectively recruited. For MRI, a respirat...
متن کاملComparison between MRS and DWI in MRI of breast cancer
Introduction: Breast cancer is the most common cancer in women and is the second leading cause of cancer death (after lung cancer) in people throughout the world. Today, MRI is being used because of the limitations of x-ray mammography to detect breast cancer. Non-contrast sequences were associated to CE sequences in a breast MRI protocol for the sake of appraising morphologic ...
متن کاملAdvanced quantitative MRI radiomics features for recurrence prediction in glioblastoma multiform patients
Introduction: Advanced quantitative information such as radiomics features derived from magnetic resonance (MR) image may be useful for outcome prediction, prognostic models or response biomarkers in Glioblastoma (GBM). The main aim of this study was to evaluate MRI radiomics features for recurrence prediction in glioblastoma multiform. Materials and Methods:</str...
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ژورنال
عنوان ژورنال: Radiotherapy and Oncology
سال: 2017
ISSN: 0167-8140
DOI: 10.1016/s0167-8140(17)31073-3