Axial images with bone windows from a CT with contrast of the neck shows the C1 vertebral body (above left) rotated approximately 30 degrees to the right in relation to the C2 vertebral body (above right). Axial image with soft tissue windows (below) from the same CT shows a low density fluid collection with an enhancing rim to the left of midline in the retropharyngeal space.
Pediatric Imaging 