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 50-year-old man presenting hypermobility of the coccyx (30° of flexion in the seated position). Left: T1-weighted image showing the coccygeal anatomy. Right: T2-weighted hypersignal (with a short tau inversion recovery sequence) of the intercoccygeal joint and the adjacent vertebral end plates (image on the right, large arrow). Note the presence of a large drainage vein (image on the right, small arrows) on the ventral aspect of the coccyx
