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Background MRI and FDG-PET may predict the histological grading of paediatric brain-stem gliomas. Objective To assess MRI findings and metabolic imaging using FDG-PET of brain-stem gliomas based on histological grading. Materials and methods Included in the study were 20 paediatric patients (age 3–14 years, mean 8.2 years) with brain-stem glioma (five glioblastomas, ten anaplastic astrocytomas...
This review focuses on imaging of osteosarcoma and Ewings sarcoma of the long bones in children during preoperative neoadjuvant chemotherapy. Morphological criteria on plain films and conventional static MRI are insufficiently correlated with histological response. We review the contribution of dynamic MRI, diffusion-weighted MR and nuclear medicine (18FDG-PET) to monitor tumoural necrosis. MRI is...
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