A nodular calcification of the alar ligament simulating a fracture in the craniovertebral junction.

@article{Sim2006ANC,
  title={A nodular calcification of the alar ligament simulating a fracture in the craniovertebral junction.},
  author={K. B. Sim and Jong Hyun Park},
  journal={AJNR. American journal of neuroradiology},
  year={2006},
  volume={27 9},
  pages={1962-3}
}
We report a case of an incidental nodular calcification of the alar ligament simulating a fracture in the craniovertebral junction of a previously healthy 24-year-old man. Three-dimensional CT and MR imaging revealed a 7.2 x 7.6 x 4.0 mm nodular calcification in the right alar ligament with normal adjacent bony structures. Serial cervical dynamic radiographs and open-mouth views showed that the cervical spine was stable without any change in the calcification. 

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