Clinical and magnetic resonance imaging features in idiopathic orbital myositis:5 cases report
10.3760/cma.j.issn.1006-7876.2011.05.009
- VernacularTitle:特发性眶肌炎五例临床和影像学特点
- Author:
Qian GAO
;
Zhihong SHI
;
Wei ZHANG
;
Zhaoxia WANG
;
Yun YUAN
- Publication Type:Journal Article
- Keywords:
Granuloma,plasma cell,orbital;
Abducens nerve diseases;
Magnetic resonance imagins
- From:
Chinese Journal of Neurology
2011;44(5):331-334
- CountryChina
- Language:Chinese
-
Abstract:
Objective To report the clinical and magnetic resonance imaging(MRI)features of 5 eases with idiopathic orbital myositis.Methods Four females and one male,aged 27 to 57 years,presented department of neurology in the First Hospital of Peking University in October 2008 to September 2009.The duration of disease Was between 3 months and 4 years.Recurrent course appeared in 3 of them.0rbital MRI Was performed in all of them.After diagnosis they underwent long.term corticosteroid treatment.Results All patients presented ocular pain,asymmetrical and incomplete ophthalmoplegia and mild proptosis.EMG revealed no significant decline in repetitive stimulation.Muscle biopsies of limb muscle were unremarkable.Creatine kinase and thyroid function test were in normal limits.MRI revealed unilateral.focal or difluse enlargement and enhancement of extraocular muscles,involving 1 extraocular muscle in 2 cases,2extraocular muscles in 2 cases,more extraocular muscles in 1 case.No evidence indicated bone destruction or cavernous sinus abnormalities.Five Cases showed improvement and remission after long-term administration of steroids.Conclusion Persistent and asymmetrical ophthalmoplegia is connnon in orbital myositis.Extraocular muscle swelling characterized the MRI changes.
