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- Title
Retinal nerve fiber layer atrophy as relevant feature for diffuse unilateral subacute neuroretinitis (DUSN): case series.
- Authors
Barbante Casella, Antonio Marcelo; Farah, Michel Eid; de Souza, Eduardo Cunha; Belfort Jr., Rubens; Taba Oguido, Ana Paula Miyagusko
- Abstract
Purpose: To report the findings of optical coherence tomography (OCT) in three cases of diffuse unilateral subacute neuroretinitis (DUSN). Methods: Three young patients with confirmed diagnosis of diffuse unilateral subacute neuroretinitis were followed-up using Stratus® OCT. Results: Optical coherence tomography findings included retinal nerve fiber layer atrophy and focal edema where the worm was initially lodged. In two patients we could identify the worm by optical coherence tomography as an area of hiper-reflectivity. The worms were laser photocoagulated and post-treatment optical coherence tomography scanning revealed improvement of edema, nerve fiber layer thinning and a retinal hyper-reflectivity where laser had been applied. Conclusion: The main finding reported here is the potential of optical coherence tomography in detecting the presence of retinal nerve fiber layer atrophy and focal retinal edema in areas affected by the worm. Optical coherence tomography can be used to distinguish diffuse unilateral subacute neuroretinitis from other mimicking diseases like punctate outer retinitis, when there are no retinal fiber layer atrophy.
- Subjects
CASE studies; RETINAL diseases; EYE infections; OPTICAL coherence tomography; LIGHT coagulation; NERVE fibers; ATROPHY
- Publication
Arquivos Brasileiros de Oftalmologia, 2010, Vol 73, Issue 2, p182
- ISSN
0004-2749
- Publication type
Article
- DOI
10.1590/S0004-27492010000200017