title: MR appearance of Rathke's cleft cysts.
abstract: Two of three patients who proved to have symptomatic Rathke's cleft cysts presented with visual field deficit and all with diabetes insipidus. CT showed intra- and suprasellar cystic low density lesions with ring enhancement. MR showed intra- and suprasellar masses. On the T1-weighted images two of the three had hyperintense portions similar to fat and the other a hyperintense portion similar to white matter within the cysts. These portions were isointense to brain on the T2-weighted images in all cases. This characteristic intensity on MR images provides differentiation from cystic pituitary adenomas and cystic craniopharyngiomas, and leads to correct diagnosis of Rathke's cleft cyst.
authors.affiliation: Department of Radiology, Osaka City University Medical School, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Nemoto
authors.forename: Y
authors.initials: Y
authors.lastname: Inoue
authors.forename: T
authors.initials: T
authors.lastname: Fukuda
authors.forename: M
authors.initials: M
authors.lastname: Shakudo
authors.forename: J
authors.initials: J
authors.lastname: Katsuyama
authors.forename: A
authors.initials: A
authors.lastname: Hakuba
authors.forename: S
authors.initials: S
authors.lastname: Nishimura
authors.forename: Y
authors.initials: Y
authors.lastname: Onoyama
mesh_terms: D000328:Adult; D000368:Aged; D003560:Cysts / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D003919:Diabetes Insipidus / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D010900:Pituitary Diseases / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed