Increase in opacity of a<unk> l body that retains its size and contours, with no change in the opacity and size of adjacent intervertebral disks. 
Increased opacity may be diffuse and homogeneous and involve most or all of the<unk> l body, giving it a white appearance.
Ivory vertebra sign
Comet tail sign
Lighthouse sign
Westermark sign
Double PCL sign
McConnell sign
Traube sign
Puddle sign