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 Targeting of atypical meningioma. Axial SPGR MRI sequence with radiosurgical dose targeting enhancing tumor. The yellow line represents the 50% isodose line. The red line represents tumor delineation. b, c Follow-up MRI demonstrating marginal recurrence. b An axial SPGR MRI sequence. c Sagittal SPGR MRI sequence
