The 2007 WHO classification of nervous system tumors: Newly recognized members of the mixed glioneuronal group

Abstract

The clinical and pathologic features of two glioneuronal neoplasms newly incorporated in the 2007 revision of the WHO classification of nervous system tumors are reviewed. These are the papillary glioneuronal tumor and the rosette-forming glioneuronal tumor of the fourth ventricle. © 2007 The Author.