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Duane retraction syndrome type I, Marcus Gunn jaw-winking and crocodile tears in the same eye
Matthew Oltmanns1, Nausheen Khuddus
1University of Florida, Department of Ophthalmology, Gainesville, FL 32653, USA. matthew.oltmanns@gmail.com
Insights
This study details a rare case of a 17-month-old boy presenting with three congenital aberrant innervation syndromes: Duane retraction syndrome type I, Marcus Gunn jaw-winking, and crocodile tears in the same eye. The report explores potential underlying mechanisms for this unique combination.
Area of Science:
- Ophthalmology
- Pediatric Neurology
- Genetics
Background:
- Congenital aberrant innervation syndromes involve abnormal nerve connections affecting facial and eye movements.
- Duane retraction syndrome type I, Marcus Gunn jaw-winking, and crocodile tears are distinct conditions often presenting independently.
Observation:
- A 17-month-old boy was observed with a co-occurrence of Duane retraction syndrome type I, Marcus Gunn jaw-winking, and crocodile tears affecting the same eye.
- This presentation represents a rare confluence of three distinct congenital neurological anomalies.
Findings:
- The co-presentation suggests a potential shared or related underlying mechanism in aberrant cranial nerve development.
- Detailed case study provides valuable data for understanding the embryological basis of these syndromes.
Implications:
- Further research into shared etiological factors could lead to improved diagnostic approaches for congenital cranial dysinnervation disorders.
- Understanding these combined syndromes may offer insights into neurodevelopmental pathways and potential therapeutic targets.
Abstract:
Duane retraction syndrome type I, Marcus Gunn jaw-winking and crocodile tears are all syndromes of congenital aberrant innervation. The authors describe a 17-month-old boy with Duane retraction syndrome type I, Marcus Gunn Jaw-winking, and crocodile tears in the same eye and discuss the proposed mechanisms of these conditions.
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