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.
Computed tomography scans of the older sibling. At the age of 45 years (12 years after amyotrophic lateral sclerosis onset; 10 years after the initiation of mechanical ventilation), the scan shows marked brain atrophy. After the subsequent 10 years, whole brain atrophy had markedly progressed. Y-Years; MV-mechanical ventilation.
