title: [MR imaging of a spinal arachnoid cyst: report of two cases].
abstract: Two cases of spinal arachnoid cyst were examined by MR imaging at 1, 5 T (Signa; General Electric). In both cases, a large cystic mass was demonstrated in the thoraco-lumbar region. On a T2-weighted mid-sagittal image, a hypointense septum between the cystic mass and the subarachnoid space was identified in both cases. At surgery, an extradural arachnoid cyst was found in case 2. But, case 1 had an intradural one.
authors.affiliation: Department of Radiology, Kyushu Rosai Hospital.
authors.forename: A
authors.initials: A
authors.lastname: Uchino
authors.forename: M
authors.initials: M
authors.lastname: Ohno
authors.forename: H
authors.initials: H
authors.lastname: Chosa
mesh_terms: D000328:Adult; D000368:Aged; D001099:Arachnoid; D003560:Cysts / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging