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. 2020 Nov 26;14:4079–4088. doi: 10.2147/OPTH.S288224

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© 2020 Narongkhananukul et al.

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(A) Each AVP scan was composed of five segments: orbital optic nerve, intracanalicular optic nerve, intracranial optic nerve, optic chiasm and optic tract. (B) Fat-suppressed T1-weighted with gadolinium contrast axial MRI showing enhancement of optic chiasm (arrow) and optic tract (arrowhead).