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- Title
Diffusion MR imaging of postoperative bilateral acute ischemic optic neuropathy.
- Authors
Park, Ju Young; Lee, In Ho; Song, Chang June; Hwang, Hee Youn
- Abstract
A 57-year-old woman experienced bilateral acute ischemic optic neuropathy after spine surgery. Routine MR imaging sequence, T2-weighted image, showed subtle high signal intensity on bilateral optic nerves. A contrast-enhanced T1 weighted image showed enhancement along the bilateral optic nerve sheath. Moreover, diffusion-weighted image (DWI) and an apparent diffusion coefficient map showed markedly restricted diffusion on bilateral optic nerves. Although MR findings of T2-weighted and contrast enhanced T1-weighted images may be nonspecific, the DWI finding of cytotoxic edema of bilateral optic nerves will be helpful for the diagnosis of acute ischemic optic neuropathy after spine surgery.
- Publication
Korean journal of radiology, 2012, Vol 13, Issue 2, p237
- ISSN
2005-8330
- Publication type
Journal Article
- DOI
10.3348/kjr.2012.13.2.237