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Louis Burt Nabors, Jana Portnow, Mario Ammirati, Joachim Baehring, Henry Brem, Nicholas Butowski, Robert A. Fenstermaker, Peter Forsyth, Jona Hattangadi-Gluth, Matthias Holdhoff, Steven Howard, Larry Junck, Thomas Kaley, Priya Kumthekar, Jay S. Loeffler, Paul L. Moots, Maciej M. Mrugala, Seema Nagpal, Manjari Pandey, Ian Parney, Katherine Peters, Vinay K. Puduvalli, John Ragsdale III, Jason Rockhill, Lisa Rogers, Chad Rusthoven, Nicole Shonka, Dennis C. Shrieve, Allen K. Sills Jr, Lode J. Swinnen, Christina Tsien, Stephanie Weiss, Patrick Yung Wen, Nicole Willmarth, Mary Anne Bergman and Anita Engh

For many years, the diagnosis and classification of gliomas have been based on histology. Although studies including large populations of patients demonstrated the prognostic value of histologic phenotype, variability in outcomes within histologic groups limited the utility of this system. Nonetheless, histology was the only proven and widely accessible tool available at the time, thus it was used for clinical trial entry criteria, and therefore determined the recommended treatment options. Research to identify molecular changes that underlie glioma progression has led to the discovery of molecular features that have greater diagnostic and prognostic value than histology. Analyses of these molecular markers across populations from randomized clinical trials have shown that some of these markers are also predictive of response to specific types of treatment, which has prompted significant changes to the recommended treatment options for grade III (anaplastic) gliomas.

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Louis Burt Nabors, Jana Portnow, Manmeet Ahluwalia, Joachim Baehring, Henry Brem, Steven Brem, Nicholas Butowski, Jian L. Campian, Stephen W. Clark, Andrew J. Fabiano, Peter Forsyth, Jona Hattangadi-Gluth, Matthias Holdhoff, Craig Horbinski, Larry Junck, Thomas Kaley, Priya Kumthekar, Jay S. Loeffler, Maciej M. Mrugala, Seema Nagpal, Manjari Pandey, Ian Parney, Katherine Peters, Vinay K. Puduvalli, Ian Robins, Jason Rockhill, Chad Rusthoven, Nicole Shonka, Dennis C. Shrieve, Lode J. Swinnen, Stephanie Weiss, Patrick Yung Wen, Nicole E. Willmarth, Mary Anne Bergman and Susan D. Darlow

The NCCN Guidelines for Central Nervous System (CNS) Cancers focus on management of adult CNS cancers ranging from noninvasive and surgically curable pilocytic astrocytomas to metastatic brain disease. The involvement of an interdisciplinary team, including neurosurgeons, radiation therapists, oncologists, neurologists, and neuroradiologists, is a key factor in the appropriate management of CNS cancers. Integrated histopathologic and molecular characterization of brain tumors such as gliomas should be standard practice. This article describes NCCN Guidelines recommendations for WHO grade I, II, III, and IV gliomas. Treatment of brain metastases, the most common intracranial tumors in adults, is also described.