title: Optic Neuritis Caused by Rathke's Cleft Cyst in Young Adult.
abstract: We report a case of right optic neuritis caused by Rathke's cleft cyst (RCC) in a young adult. A 15-year-old boy presented with reduced visual acuity in the right eye. He was diagnosed with optic neuritis in the right eye 4 years earlier at other clinics before he was referred to our department. During our one-year examinations, the cause of the reduced vision in his right eye could not be determined conclusively. At the age of 17 years, a RCC was detected by a neurosurgeon who specialized in hypophyseal diseases. He underwent microscopic transsphenoidal resection of the cyst, and his vision recovered to 1.2 and he has had no recurrence for at least 9 months. We suggest that repeated rupturing of the RCC was the cause of the optic neuritis, and a RCC can be successfully treated by surgery even after 3 years of optic neuritis.
authors.affiliation: Southern Tohoku Research Institute for Neuroscience, Southern Tohoku General Hospital, 7-155 Yatsuyamada, Fukushima, Koriyama City 963-8563, Japan ; Southern Tohoku Ophthalmological Clinic, 7-166 Yatsuyamada, Fukushima, Koriyama City 963-8052, Japan.
authors.forename: Namie
authors.initials: N
authors.lastname: Kobayashi
authors.affiliation: Department of Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, Inohana 1-8-1, Chiba, Chuo-ku 260-8670, Japan.
authors.forename: Toshiyuki
authors.initials: T
authors.lastname: Oshitari
authors.affiliation: Southern Tohoku Ophthalmological Clinic, 7-166 Yatsuyamada, Fukushima, Koriyama City 963-8052, Japan.
authors.forename: Kentaro
authors.initials: K
authors.lastname: Kobayashi
authors.affiliation: Southern Tohoku Research Institute for Neuroscience, Southern Tohoku General Hospital, 7-155 Yatsuyamada, Fukushima, Koriyama City 963-8563, Japan ; Southern Tohoku Ophthalmological Clinic, 7-166 Yatsuyamada, Fukushima, Koriyama City 963-8052, Japan.
authors.forename: Takatsugu
authors.initials: T
authors.lastname: Onoda
authors.affiliation: Southern Tohoku Research Institute for Neuroscience, Research Institute for Pituitary Disease, Southern Tohoku General Hospital, 7-155 Yatsuyamada, Fukushima, Koriyama City 963-8563, Japan.
authors.forename: Hidetoshi
authors.initials: H
authors.lastname: Ikeda
authors.affiliation: Department of Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, Inohana 1-8-1, Chiba, Chuo-ku 260-8670, Japan.
authors.forename: Emiko
authors.initials: E
authors.lastname: Adachi-Usami