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.
Normal anatomy of the sacroiliac joint. Axial T1W MRI images at three different levels in a 29 year male: (A) upper portion is predominantly ligamentous (arrows); (B) mid portion is cartilaginous in its anterior aspect (white arrow) and ligamentous in its posterior aspect (black arrows); (C) lower portion is cartilaginous only (white arrows)
