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.
T1-weighted (axial contrast-enhanced) magnetic resonance imaging of a 24-year-old woman diagnosed with a large cystic brain metastasis. The prescribed dose for the Gamma Knife radiosurgery (GKRS) was 16 Gy, with 0.5 mci colloidal phosphorus-32 radiation therapy. (A) Prior to aspiration. (B) Subsequent to aspiration at 3 months post-GKRS.
