MRI plays a significant role and is the cornerstone in imaging brain tumors but has certain limitations. Advanced imaging techniques mainly perfusion imaging, MR spectroscopy, diffusion imaging, diffusion tensor imaging, and fMRI provide complementary functional, hemodynamic, metabolic, cellular, and cytoarchitectural information transforming MRI into a comprehensive tool that combines anatomy and morphology with physiology and function. These techniques are currently in clinical use and are the subject of intense research. The integration of imaging characteristics and genomic data has started a new trend in approach toward the management of brain tumors. The aim of this article is to summarize the established and potential applications of these techniques in tumor diagnosis and classification, treatment planning, and posttreatment assessment and surveillance.
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