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Coronal post-contrast T1 fat-saturated magnetic resonance imaging of Patient 7 demonstrating circumferential enhancement in the left optic nerve sheath.
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Axial post-contrast T1 fat-saturated magnetic resonance imaging of Patient 7 showing enhancement in the left optic nerve sheath from the eye to the chiasma.
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Fundus photo of Patient 7 1 month after first examination, showing an optic disc edema.
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Fundus examination showed progression of the left optic disc edema (Figure 3).