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Optic Nerve Transection: A Model of Adult Neuron Apoptosis in the Central Nervous System
Published on: May 12, 2011
Normal abduction in a patient with duplicated abducens nerve
Jae Hyoung Kim1, Jeong-Min Hwang
1Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
Korean Journal of Ophthalmology : KJO
|February 24, 2006
Summary
A duplicated abducens nerve (cranial nerve VI) was identified in a patient via MRI. Despite the duplication, the patient exhibited normal eye alignment and movement.
Area of Science:
- Neuro-ophthalmology
- Neuroimaging
Background:
- The abducens nerve (cranial nerve VI) controls lateral eye movement.
- Congenital duplications of cranial nerves are rare and poorly documented.
Observation:
- A patient presented with a duplicated left abducens nerve, identified through detailed brainstem magnetic resonance imaging (MRI).
Findings:
- The patient demonstrated orthotropia (normal eye alignment) in all gaze positions.
- Full duction (individual eye movement) and version (combined eye movement) were observed.
Implications:
- This case suggests that a duplicated abducens nerve may not necessarily result in strabismus or impaired ocular motility.
- Further research is needed to understand the functional and clinical significance of abducens nerve duplication.
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