Pitfalls in the CT diagnosis of atlantoaxial rotary subluxation.

@article{Kowalski1987PitfallsIT,
  title={Pitfalls in the CT diagnosis of atlantoaxial rotary subluxation.},
  author={H. Kowalski and W. Cohen and P. Cooper and J. Wisoff},
  journal={AJR. American journal of roentgenology},
  year={1987},
  volume={149 3},
  pages={
          595-600
        }
}
CT was used to examine six patients with clinically evident atlantoaxial rotary fixation, two patients with torticollis, and six normal subjects who had turned their heads to the side as far as voluntarily possible. The CT appearances of the atlantoaxial complex were identical in all three groups. To differentiate these groups, we propose a functional scan through C1-C2 in which patients are scanned initially as they present, with their heads fixed in lateral rotation. Subsequent scans are… Expand
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