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- W2767279631 abstract "We would like to applaud Boren et al (1) for their article “Retrolaminar migration of silicone oil.” We evaluated a patient who adds to the spectrum of neuroimaging findings of this disorder. A 92-year-old man with a longstanding history of glaucoma underwent vitrectomy with silicone oil endotamponade in his right eye for a retinal detachment 3 years previously. Because of transient right hand weakness and gait ataxia, brain MRI was performed. This showed hyperdense material involving the right optic nerve, optic chiasm, and right optic tract (Fig. 1). Automated visual fields showed changes consistent with advanced glaucoma, but a homonymous defect was not detected.FIG. 1.: Brain MRI. A and B. Axial fluid-attenuated inversion recovery (FLAIR) images show hyperintense material in the right eye (arrow) and right optic nerve (white arrowhead) as well as the right side of the optic chiasm (dashed arrow) and right optic tract (open arrowhead). C. Coronal T2 scan reveals hyperintense material in the right optic tract (arrow). D. Axial T2 image with fat suppression shows the material to be hypointense within the eye (arrow) and right optic nerve (dashed arrow). A small amount of fluid vitreous is present posteriorly (white arrowhead) within the right eye.We are unaware of previous reports of optic tract involvement with silicone oil. Perimetry showed that it did not cause homonymous visual field loss, supportive of the 2 asymptomatic cases reported by Boren et al. Given that the mechanism of intracranial silicone oil migration is not yet fully understood, future postmortem histopathological examination of the eyes and brain will be essential in better understanding this disorder." @default.
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- W2767279631 date "2017-12-01" @default.
- W2767279631 modified "2023-10-18" @default.
- W2767279631 title "Contiguous Silicone Oil Migration From the Vitreous Cavity to the Optic Tract" @default.
- W2767279631 cites W2519816933 @default.
- W2767279631 doi "https://doi.org/10.1097/wno.0000000000000588" @default.
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