Abstract
Because of its high soft-tissue contrast, MRI is the method of choice for the assessment of brain tumors. Conventional MRI sequences provide excellent visualization of the lesions, but still have limitations for the accurate definition of lesion boundaries and for differentiating some treatment related changes and tumor recurrence. MRI techniques such as diffusion-weighted imaging, perfusion-weighted imaging and MR spectroscopy have the potential to provide powerful additional information. Thus, hybrid PET/MRI might represent the modality of choice to investigate, in a single imaging session, tracer uptake and perfusion metabolic changes shown by MRI in the neoplastic tissue.
Keywords
Arterial Spin Label Radiation Necrosis Fluid Attenuate Inversion Recovery Gadolinium Administration Skull Base Meningioma
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