%0 Journal Article %T Retroodontoid Pseudotumor Related to Development of Myelopathy Secondary to Atlantoaxial Instability on Os Odontoideum %A M. Hamard %A S. Boudabbous %A S. P. Martin %J Archive of "Case Reports in Radiology". %D 2018 %R 10.1155/2018/1658129 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6186371/