Diffusion MR Imaging of Postoperative Bilateral Acute Ischemic Optic Neuropathy.
10.3348/kjr.2012.13.2.237
- Author:
Ju Young PARK
1
;
In Ho LEE
;
Chang June SONG
;
Hee Youn HWANG
Author Information
1. Department of Radiology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon 301-721, Korea. leeinho1974@hanmail.net
- Publication Type:Case Reports
- Keywords:
Optic neuropathy, ischemic;
Diffusion magnetic resonance imaging
- MeSH:
Contrast Media/diagnostic use;
Diffusion Magnetic Resonance Imaging/*methods;
Female;
Humans;
Intervertebral Disc Displacement/surgery;
Middle Aged;
Optic Neuropathy, Ischemic/*diagnosis;
Postoperative Complications/*diagnosis;
Spinal Stenosis/surgery
- From:Korean Journal of Radiology
2012;13(2):237-239
- CountryRepublic of Korea
- Language:English
-
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.
