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.
Genetic alterations at initial onset and after central nervous system progression. Number of pathogenic genetic alterations in vitreous humor samples taken at disease onset and brain tissue biopsy samples taken after central nervous system (CNS) progression per case. Concordant alterations (found in both vitreous humor and brain tissue) and discordant alterations (found in either vitreous humor or brain tissue) are indicated.
