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.
Brain MRI showing T2 fluid-attenuated inversion recovery signal abnormality (arrow) in the bilateral dorsal medulla in the axial (A), coronal (B), and sagittal (C) planes. Sagittal MRI of the spinal cord demonstrating a longitudinally extensive T2 hyperintense signal abnormality (arrow) in the cervical spinal cord (D).
