Vacuum facet phenomenon: a computed tomographic sign of degenerative spondylolisthesis.
A vacuum facet phenomenon, seen on computed tomography as a lens-shaped lucency within a lumbar facet joint, was observed as a consequence of degenerative spondylolisthesis. The significance of this finding is discussed.
D005260:Female; D006801:Humans; D008875:Middle Aged; D013168:Spondylolisthesis / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed