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.
Large SVV. A-B, CTA in O-I and A-P view show a large SVV (arrow), which drains to the VG. C-D, MIP in sagittal and axial view also shows the large SVV (arrow). Abbreviations: A-P, anterior to posterior; BV, basal vein; CTA, computed tomography angiography; ICV, internal cerebral vein; MIP, maximum intensity projection; O-I, outside to inside; SS, straight sinus; SVV, superior vermin vein; VG, vein of Galen.
