Japanese

Surgically treated optic nerve meningioma in a child Mari Goto 1 , Takako Tachikawa 1,2 , Souichi Tetsuka 1,3 , Hiroko Okuma 1 , Yuko Kamei 1 , Tatsuya Mimura 1 , Aki Kondo 1 , Masao Matsubara 1 1Dept of Ophthal, Tokyo Women's Med Univ Med Cent East 2Tokyo Metropolitan Otsuka Hosp 3Chuo Eye Clin pp.1143-1147
Published Date 2014/8/15
DOI https://doi.org/10.11477/mf.1410105341
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Abstract. Purpose:To report a child who received surgery for optic nerve sheath meningioma. Case:Impaired visual acuity was detected in an 8-year-old girl. She had been diagnosed with hyperopic amblyopia at the age of 3 years. Visual acuity had improved to 1.0 in both eyes by spectacles. Findings:Visual acuity was 0.5 right and 1.2 left when corrected for +7.0 and +5.75 diopters respectively. The right eye showed reduced light reflex and was positive for relative afferent pupillary defect(RAPD). Magnetic resonance imaging(MRI)showed swelling of the right optic nerve. Right visual acuity decreased to 0.04 14 months later. MRI showed a tumor extending from the sella to the optic canal. The tumor was surgically removed and proved to be optic nerve sheath meningioma. There has been no recurrence for one year until present. Conclusion:This case illustrates that optic nerve sheath meningioma in its early stage may pose difficulties in diagnostic imaging. Due attention is necessary in differentiating this clinical entity from optic neuropathies that resist to conventional treatments.


Copyright © 2014, Igaku-Shoin Ltd. All rights reserved.

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

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