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. 2024 Jul 30;13(15):4468. doi: 10.3390/jcm13154468

Figure 1.

Figure 1

(a) Axial T2-weighted CISS (Constructive Interference Steady State); (b) sagittal T2-weighted CISS; (c) axial FLAIR (Fluid Attenuated Inversion Recovery; (d) sagittal T2 FLAIR; (e) sagittal subtraction images between post-contrast and pre-contrast T1 weighted MPRAGE. (a,b) Finding consistent with idiomatic intracranic hypertension (IIH): bilateral prominent subarachnoid space around the optic nerves (arrow), more evident on the right side because of the left optic nerve swelling, intraocular protrusion of the optic nerves (arrowhead) (a), and partially empty sella (arrow) (b); (c–e) findings consistent with optic neuritis (ON): T2-FLAIR hyperintensity and swelling of the left optic nerve (c,d) associated with contrast enhancement (e).