title: Periodontoid disc herniation vs degenerated ligaments presenting as extradural mass.
authors.forename: J
authors.initials: J
authors.lastname: Goffin
authors.forename: G
authors.initials: G
authors.lastname: Wilms
authors.forename: C
authors.initials: C
authors.lastname: Plets
authors.forename: F
authors.initials: F
authors.lastname: Weyns
mesh_terms: D002574:Cervical Vertebrae / Q000473:pathology*; D003560:Cysts / Q000175:diagnosis*; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000175:diagnosis*; D009809:Odontoid Process / Q000473:pathology; D013122:Spinal Diseases / Q000175:diagnosis*