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Use of brain MRI for brain tumors RT
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Low Grade Glioma
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Registration for volume definition
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T2/FLAIR
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Check the fusion before contouring
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Contouring
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0,5 cm around T2/FLAIR abnormality
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High grade glioma
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Registration for volume definition
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T1 gadolinium : 3D sequences are recommended for better coregistration ( axial or
sagittal)
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T2/FLAIR
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Check the fusion before contouring
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Contouring
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2 cm around T1 CE
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Enlarge it to FLAIR/T2 abnormalities if necessary