<prompt> Beheaded Scottish terrier sign is seen in:SpondylosisSpondylolisthesisOsteo porosisOsteogenesis imperfecta  <response>: Ans: b Spondylolisthesis Ref:Apleys OrthopaedicsScottish terrier sign is seen in spondylolysis and beheaded Scottish terrier sign in spondylolisthesis. 