Figure 2From: High-dose steroid therapy for idiopathic optic perineuritis: a case series Fat-suppressed T2-weighted images of Case 2. Coronal image (a) and axial image (b) from a 66-year-old Japanese woman show high-intensity areas in the right optic nerve sheath. Fat-suppressed T1-weighted post-contrast coronal image (c) shows high-intensity areas in the right optic nerve sheath. The optic nerve sheath is enlarged and enhanced on both sides.Back to article page