Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The fifth edition of the WHO classification of Tumors of the central nervous system. Central nervous system tumors are still organized in 13 broad categories. The efforts to cohesively incorporate phenotypic and molecular genetic data in major integrated diagnostic categories that was pioneered in the fourth edition has accelerated. Integration of epigenetic data through methylation profiling in particular has played a novel role and is one of its distinguishing features.
