A Nodular Calcification of the Alar Ligament Simulating a Fracture in the Craniovertebral Junction

References

1. ↵
   Kobayashi Y, Mochida J, Saito I, et al. Calcification of the alar ligament of the cervical spine: imaging findings and clinical course. Skeletal Radiol 2001;30:295–97

   CrossRefPubMed
2. ↵
   Krakenes J, Kaale BR, Rorvik J, et al. MRI assessment of normal ligamentous structures in the craniovertebral junction. Neuroradiology 2001;43:1089–97

   CrossRefPubMedWeb of Science
3. ↵
   Pfirrmann CW, Binkert CA, Zanetti M, et al. MR morphology of alar ligaments and occipitoatlantoaxial joints: study in 50 asymptomatic subjects. Radiology 2001;218:133–37

   PubMedWeb of Science
4. ↵
   Ronnen HR, de Korte PJ, Brink PR, et al. Acute whiplash injury: is there a role for MR imaging?—a prospective study of 100 patients. Radiology 1996;201:93–96

   PubMedWeb of Science
5. ↵
   Krakenes J, Kaale BR, Moen G, et al. MRI assessment of the alar ligaments in the late stage of whiplash injury: a study of structural abnormalities and observer agreement. Neuroradiology 2002;44:617–24

   CrossRefPubMedWeb of Science
6. ↵
   Wu DW, Reginato AJ, Torriani M, et al. The crowned dens syndrome as a cause of neck pain: report of two new cases and review of the literature. Arthritis Rheum 2005;15:53:133–37
7. ↵
   Bouvet JP, le Parc JM, Michalski B, et al. Acute neck pain due to calcifications surrounding the odontoid process: the crowned dens syndrome. Arthritis Rheum 1985;28:1417–20

   CrossRefPubMedWeb of Science