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KMID : 0858520140180020167
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Journal of the Korean Society of Magnetic Resonance in Medicine
2014 Volume.18 No. 2 p.167 ~ p.170
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Medial Longitudinal Fasciculus on MRI in a Patient with Internuclear Ophthalmoparesis: A Case Report
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Kim Sung-Min
Kim Ho-Kyun
Lee Hui-Joong
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Abstract
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The medial longitudinal fasciculus (MLF) is myelinated composite tract, lying near the midline, ventral to periaqueductal grey matter that plays a key role in coordinating eye movements. A lesion of the MLF results in an ipsilateral adduction deficit and a contralateral abducting nystagmus, referred to as an internuclear ophthalmoparesis. The blended tract with adjacent white matter in pons and midbrain is indistinguishable on brain imaging such as CT and MRI. Until now, to the best of our knowledge, MLF is not delineated on in vivo MRI. We present a case showing the whole connecting courses of MLF lesion on MRI in a patient with inflammatory demyelinating disorder.
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KEYWORD
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Medial longitudinal fasciculus, Internuclear ophthalmoparesis, Magnetic resonance imaging (MRI)
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