title: Thoracic arachnoid cyst presenting as backache after spinal anaesthesia.
authors.forename: S
authors.initials: S
authors.lastname: Samuel
authors.forename: C
authors.initials: C
authors.lastname: Howell
mesh_terms: D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D000775:Anesthesia, Spinal / Q000009:adverse effects*; D016080:Arachnoid Cysts / Q000209:etiology*; D001416:Back Pain / Q000209:etiology*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008476:Mediastinal Cyst / Q000209:etiology*; D011247:Pregnancy; D055815:Young Adult