title: Recurrent steroid-responsive trismus and painful ophthalmoplegia.
abstract: A 63-year-old woman experienced two episodes of trismus and painful ophthalmoplegia at an interval of six years. She suffered left visual loss, and enhanced CT scan and MR imaging revealed heterogeneous enlargement of the left extraocular muscles extending to the orbital apex. In addition, the left pterygopalatine fossa was filled with a mass isointense with muscle without evidence of surrounding tissue invasion; 67Ga scintigraphy showed high uptake in this lesion. Steroid administration dramatically resolved the trismus, and the mass in the orbit and extraorbit vanished completely. Orbital pseudotumor is characterized by self-limited, relapsing, steroid-responsive painful ophthalmoplegia, and this case could be a variant of this entity with inflammation extending into the extraorbital area.
authors.affiliation: Department of Medicine (Neurology), Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, Japan.
authors.forename: S
authors.initials: S
authors.lastname: Ishikawa
authors.forename: H
authors.initials: H
authors.lastname: Yahikozawa
authors.forename: M
authors.initials: M
authors.lastname: Yamazaki
authors.forename: M
authors.initials: M
authors.lastname: Kikkawa
authors.forename: S
authors.initials: S
authors.lastname: Ikeda
authors.forename: N
authors.initials: N
authors.lastname: Hanyu
mesh_terms: D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007249:Inflammation / Q000150:complications / Q000175:diagnosis; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D009886:Ophthalmoplegia / Q000175:diagnosis / Q000188:drug therapy* / Q000209:etiology / Q000503:physiopathology*; D009916:Orbital Diseases / Q000150:complications / Q000175:diagnosis; D010146:Pain / Q000503:physiopathology; D011239:Prednisolone / Q000627:therapeutic use*; D012008:Recurrence; D014057:Tomography, X-Ray Computed; D014313:Trismus / Q000188:drug therapy* / Q000209:etiology
chemical_list: D000893:Anti-Inflammatory Agents; D011239:Prednisolone