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Postoperative full abduction in a patient of Duane retraction syndrome without an abducens nerve: a case report

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Authors
Kim, Jae Hyoung; Hwang, Jeong-Min
Issue Date
2017-05-19
Publisher
BioMed Central
Citation
BMC Ophthalmology, 17(1):75
Keywords
Duane retraction syndromePostoperative full abductionAbducens nerve
Abstract
Background
Duane retraction syndrome (DRS) consists of abduction deficit, globe retraction and upshoots or downshoots with adduction. The abducens nerve on the affected side is absent in type 1 DRS. After bilateral medial rectus muscle recession in unilateral type 1 DRS may improve the abduction limitation, but still more than −3 limitation remains.

Case presentation
A 6-month-old boy presented with esotropia which had been noticed in early infancy. He showed limited abduction, fissure narrowing on attempted adduction and a small upshoot OS. Left abducens nerve was not identified on magnetic resonance imaging compatible with Duane retraction syndrome type 1. He showed full abduction after bilateral medial rectus recession of 6.0 mm at the age of 9 months, and remained orthotropia with full abduction OU 2 years postoperatively. He is my only patient with Duane retraction syndrome who showed full abduction after bilateral medial rectus recession.

Conclusions
A patient with the type 1 Duane retraction syndrome rarely may show full abduction after bilateral medial rectus recession mimicking infantile esotropia.
Language
English
URI
https://doi.org/10.1186/s12886-017-0475-6

http://hdl.handle.net/10371/117607
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College of Medicine/School of Medicine (의과대학/대학원)Radiology (영상의학전공)Journal Papers (저널논문_영상의학전공)
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