title: Synovial cyst at the C1-C2 junction and spondyloarthropathy.
abstract: A spinal synovial cyst is a rare extradural benign tumor generally located at the lumbar spine, arising at the facet joint capsule, and usually associated with degenerative changes. We describe a 64-year-old woman with a synovial cyst involving the quadrate ligament of the odontoid process, which caused neurologic signs. Her family history was positive for spondyloarthropathy. The radiologic investigations, preoperative differential diagnosis, and association of spondyloarthropathy with this rare benign foramen magnum tumor are of particular interest.
authors.affiliation: Department of Rheumatology, CHRU Dupuytren, Limoges, France.
authors.forename: P
authors.initials: P
authors.lastname: Vergne
authors.forename: C
authors.initials: C
authors.lastname: Bonnet
authors.forename: L
authors.initials: L
authors.lastname: Zabraniecki
authors.forename: P
authors.initials: P
authors.lastname: Bertin
authors.forename: J J
authors.initials: JJ
authors.lastname: Moreau
authors.forename: R
authors.initials: R
authors.lastname: Treves
mesh_terms: D002574:Cervical Vertebrae; D005260:Female; D006801:Humans; D007796:Laminectomy; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D013117:Spinal Cord Compression / Q000209:etiology; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000000981:diagnostic imaging; D013581:Synovial Cyst / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D014057:Tomography, X-Ray Computed