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–d) Imaging findings (FLAIR, T1precontrast, T1 postcontrast) and Ki-67 staining of a WHO grade II (atypical) meningioma. Signal intensities were as follows: normalized FLAIR SI = 1.45, normalized T1 precontrast SI = 0.87, normalized postcontrast SI = 1.88, and postcontrast SI/precontrast SI = 1.97. Ki-67 index = 18%.
