title: Sacral perineurial cyst with ossification of the arachnoid membrane.
abstract: A case of sacral perineurial cyst with ossification of the arachnoid membrane discovered intraoperatively is reported. We are not aware of any similar cases in the literature.
authors.affiliation: Department of Orthopedic Surgery, Hamamatsu University School of Medicine, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Kageyama
authors.forename: A
authors.initials: A
authors.lastname: Machida
authors.forename: M
authors.initials: M
authors.lastname: Okada
authors.forename: S
authors.initials: S
authors.lastname: Sakata
authors.forename: H
authors.initials: H
authors.lastname: Aoshima
authors.forename: S
authors.initials: S
authors.lastname: Miyamoto
authors.forename: K
authors.initials: K
authors.lastname: Kushida
authors.forename: T
authors.initials: T
authors.lastname: Inoue
authors.forename: T
authors.initials: T
authors.lastname: Arai
mesh_terms: D001099:Arachnoid / Q000473:pathology*; D003560:Cysts / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D009999:Ossification, Heterotopic / Q000150:complications*; D010523:Peripheral Nervous System Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology; D012445:Sacrococcygeal Region; D013126:Spinal Nerve Roots / Q000473:pathology*; D014057:Tomography, X-Ray Computed