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A case of idiopathic orbital inflammation with optic neuropathy followed by involvement of the fellow eye six months later Keiko Usui 1 , Kumi Shirai 1 , Shingo Yasuda 1 , Akihiro Inoue 2 , Shizuya Saika 1 1Department of Ophthalmology, Wakayama Medical Univercity 2Department of Ophthalmology, Hidaka General Hospital pp.557-563
Published Date 2018/4/15
DOI https://doi.org/10.11477/mf.1410212662
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Abstract Purpose:To report a case of idiopathic orbital inflammation with optic neuropathy in the left eye followed by involvement of the right eye 6 months later.

Case:A 66-year-old female had developed diplopia 2 weeks ago and was diagnosed with abducens palsy of the left eye due to cerebral infarct. She was referred to us for sudden loss of vision in the left eye.

Findings and Clinical Course:Corrected visual acuity was 1.0 in the right eye and counting fingers in the left. The left eye showed central scotoma and impaired upward and lateral movement. Magnetic resonance imaging(NRI)showed a high signal area in T2-weighted image in the extraocular muscle and optic nerve, leading to the diagnosis of idiopathic orbital inflammation involving the extraocular muscles with optic neuropathy. Systemic corticosteroid was followed by improved eye movement with no change in scotoma or visual acuity. The right eye developed impaired vision with central scotoma 6 months later. MRI showed similar findings as in the left eye. She received the same diagnosis as in the left eye. Systemic corticosteroid resulted in improved vision.

Conclusion:Early initiation of systemic corticosteroid appears to be critical in the therapeutic outcome of idiopathic orbital inflammation with optic neuropathy.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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