title: Cervical canal stenosis caused by progressive fusion and enlargement of cervical vertebrae with features of Proteus syndrome and Klippel-Feil syndrome.
abstract: We report the case of a female who presented with progressive fusion and an enlargement of the cervical vertebrae. Her cervical deformity gradually progressed with age, and the abnormal bony protrusion into the spinal canal caused myelopathy. We resected the affected vertebrae to decompress the spinal cord and performed combined anterior-posterior spinal fusion. The progression of the spinal deformity and enlargement of vertebrae stopped after surgery. The enlargement of vertebrae in the present case resembled that observed in Proteus syndrome; however, autonomous vertebral fusion has not been reported previously in patients with this condition. Our report may help expand the knowledge on developmental spine disorders.
authors.affiliation: Department of Orthopaedic Surgery, The University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo, Japan, sugishure77@gmail.com.
authors.forename: Shurei
authors.initials: S
authors.lastname: Sugita
authors.forename: Hirotaka
authors.initials: H
authors.lastname: Chikuda
authors.forename: Junichi
authors.initials: J
authors.lastname: Ohya
authors.forename: Yuki
authors.initials: Y
authors.lastname: Taniguchi
authors.forename: Katsushi
authors.initials: K
authors.lastname: Takeshita
authors.forename: Nobuhiko
authors.initials: N
authors.lastname: Haga
authors.forename: Tetsuo
authors.initials: T
authors.lastname: Ushiku
authors.forename: Sakae
authors.initials: S
authors.lastname: Tanaka
mesh_terms: D002574:Cervical Vertebrae / Q000002:abnormalities* / Q000000981:diagnostic imaging* / Q000601:surgery; D002648:Child; D019299:Decompression, Surgical / Q000379:methods; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007714:Klippel-Feil Syndrome / Q000000981:diagnostic imaging; D007796:Laminectomy / Q000379:methods*; D016715:Proteus Syndrome / Q000000981:diagnostic imaging; D011859:Radiography; D013130:Spinal Stenosis / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery; D016896:Treatment Outcome