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Middle East African Journal of Ophthalmology Middle East African Journal of Ophthalmology
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Year : 2015  |  Volume : 22  |  Issue : 1  |  Page : 117-118

Rare case of optic pathway glioma with extensive intra-ocular involvement in a child with neurofibromatosis type 1

Department of Surgery, McMaster University, Hamilton, Ontario, Canada

Correspondence Address:
Kourosh Sabri
HSC 3V2, 1200 Main Street West, Hamilton, Ontario L8N 3Z5
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-9233.148361

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We present a case of a 3-year-old girl with a positive family history of neurofibromatosis type-1 (NF1) presented with best corrected visual acuity of 20/40 in the right eye and <20/400 in the left eye. External ocular examination revealed left eye proptosis of 3 mm, grade II left relative afferent pupillary defect and full range of ocular motility with no strabismus. Slit lamp examination revealed iris lisch nodules bilaterally. Dilated fundus examination of the right eye was normal. Left eye disclosed a large mass extending from the optic nerve head, with associated subretinal fluid. There was neovascularization at the optic disc as well as a superior retinal hemorrhage. Computed tomography of brain/orbits showed an enlarged left optic nerve with a large mass at the optic nerve head, with no evidence of calcification. In addition, a large left optic pathway glioma (OPG), multiple hamartomas within the brain and a smaller low-grade right OPG was also reported. The remarkable feature of our case is the rare intraocular optic nerve involvement of the OPG. Early and regular ophthalmological assessment of all NF1 suspect/confirmed cases is of paramount importance in order to detect OPG early, resulting in timely intervention and salvage of vision.

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