Article Figures & Data
Figures
- Fig 1.
High-resolution MR images of a paraoptic cyst. The cyst is superolateral, causing a mass effect on the optic nerve, which is displaced inward and inferiorly. The content of the cyst appears hyperintense on T2WI and moderately hyperintense on FLAIR and T1WI.
- Fig 2.
Axial image on US (A) shows a lateral paraoptic cyst, well-limited and isoechogenic. Axial-reformatted 3D-CISS in the same patient (B) shows a similar image of an oval hyperintense cyst.
- Fig 3.
Correlation between cyst volumes on 3D-CISS and optic nerve fibers on OCT (A), MD (B), and PSD (C).
Tables
Comparison of arterial resistance index values between the side of the cyst and the contralateral eye (Wilcoxon matched pair test)
Case No. Central Retinal Artery Temporal Short Ciliary Artery Nasal Short Ciliary Artery Ophthalmic Artery Cyst Side Contra. Cyst Side Contra. Cyst Side Contra. Cyst Side Contra. 1 0.59 0.67 0.65 0.58 0.52 0.48 0.76 0.75 3 0.59 0.6 0.53 0.56 0.61 0.5 0.66 0.68 4a 0.62 NA 0.64 NA 0.65 NA 0.62 NA 4b 0.63 NA 0.56 NA 0.5 NA 0.67 NA 6 0.64 0.71 NA NA 0.59 0.63 0.66 0.74 8 0.54 0.69 0.59 0.52 0.55 0.56 0.66 0.66 9 0.64 0.61 0.64 0.6 0.61 0.61 0.77 0.82 10 0.77 0.77 0.69 0.77 0.74 0.75 0.75 0.73 11 0.6 0.58 0.48 0.44 0.48 0.53 0.7 0.7 Mean (SD) 0.62 (0.06) 0.66 (0.3) 0.6 (0.21) 0.58 (0.3) 0.58 (0.08) 0.58 (0.27) 0.69 (0.05) 0.73 (0.32) Paired t test P = .18 P = .49 P = .79 P = .25 Note:—Contra. indicates contralateral.
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