MRI of the brain is a vital part of modern oncology. In addition to very accurate Tl-weighted, T2-weighted, and gadolinium-enhanced Tl-weighted MRI, a number of other techniques including FLAIR, BOLD, DCE MRI, T2* perfusion imaging, MRSI, and DWI add diagnostic value. The increasing complexity of interpreting and teaching neuroradiology has led to increased specialization and the development of customized software tools. Hardware and image processing advances have combined to improve the diagnostic capabilities of brain MRI. Future developments include the discovery of molecular imaging probes with specificity for brain tumors, the ability to image tumors with intact blood brain barriers, and the development of early biomarkers of therapeutic success or failure that will aid in the treatment monitoring of patients undergoing therapy.

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