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Tortuosity of optic nervesA, Axial fast spin-echo T2-weighted image showing factor 1: interruption of the optic nerve out of the axial plane (tip of arrow)

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Presentation on theme: "Tortuosity of optic nervesA, Axial fast spin-echo T2-weighted image showing factor 1: interruption of the optic nerve out of the axial plane (tip of arrow)"— Presentation transcript:

1 Tortuosity of optic nervesA, Axial fast spin-echo T2-weighted image showing factor 1: interruption of the optic nerve out of the axial plane (tip of arrow) without return.B, Axial fast spin-echo T2-weighted image showing factor 2: interruption of the optic ... Tortuosity of optic nervesA, Axial fast spin-echo T2-weighted image showing factor 1: interruption of the optic nerve out of the axial plane (tip of arrow) without return.B, Axial fast spin-echo T2-weighted image showing factor 2: interruption of the optic nerve out of the axial plane (tip of arrow) with return of the nerve into the axial plane.C, Axial fast spin-echo T2-weighted image showing factor 3: deviation of the optic nerve within the axial plane (arrow).D, Sagittal T1-weighted image showing factor 4: increased curvature (tip of arrow) in the sagittal plane.E, Coronal fast spin-echo T2-weighted image showing factor 5: lack of congruity of the optic nerves (arrow) in the coronal plane.F, Coronal fast spin-echo T2-weighted image showing factor 6: dilation of the subarachnoid space (encircled by arrows) surrounding anterior portion of optic nerves. G.T. Armstrong et al. AJNR Am J Neuroradiol 2007;28: ©2007 by American Society of Neuroradiology

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