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) Pelvic bone of a 79-year-old male; both sacroiliac joints are fused with bony bridging. The sacroiliac joints of both sides are unioned in upper and lower portions (indicated by red arrows). (b) CT images of the same pelvic bone: bony bridging is localized in the surface area (indicated by red arrows).
