title: Incidental finding of an arachnoid cyst in a patient presenting with features of postural headache after spinal anesthesia.
authors.affiliation: Department of Anesthesiology and Pain Medicine, Samsung Seoul Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
authors.forename: Sang Hyun
authors.initials: SH
authors.lastname: Lee
authors.affiliation: Department of Anesthesiology and Pain Medicine, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasung, Korea.
authors.forename: Jin Gu
authors.initials: JG
authors.lastname: Kang
authors.affiliation: Department of Anesthesiology and Pain Medicine, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasung, Korea.
authors.forename: Woo Jong
authors.initials: WJ
authors.lastname: Cho
authors.affiliation: Department of Anesthesiology and Pain Medicine, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasung, Korea.
authors.forename: Kyungmi
authors.initials: K
authors.lastname: Kim
authors.affiliation: Department of Anesthesiology and Pain Medicine, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasung, Korea.
authors.forename: Jeong Heon
authors.initials: JH
authors.lastname: Park