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.
a Patient at the age of 5 years. Facial features showing midfacial hypoplasia, hypertelorism, micrognathia, epicanthic fold, prominent teeth, and upslanting palpebral fissures. b Brain MRI showing frontal and temporal cortical atrophy, with loss of posterior ventricular white matter (arrows).
