It is frequently stated that progress in the management of tumors of the brain and spine has not occurred in the past 25 years. Such statements seriously underestimate and misrepresent progress in managing various central nervous system tumors, the tremendous technologic enhancements that have revolutionized the imaging of the tumors and the host organ, the multitude of surgical adjuncts such as computerized imaging guidance and functional mapping of the brain and its tracts that are routinely used in the modern neurosurgical operating room, and the highly conformal delivery of radiation to...