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Neuroradiology
Published in: Neuroradiology 12/2005

01-12-2005 | Diagnostic Neuroradiology

Lateral gaze disturbance due to cerebral microbleed in the medial lemniscus in the mid-pontine region: a case report

Authors: A. Watanabe, T. Kobashi

Published in: Neuroradiology | Issue 12/2005

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Abstract

A 72-year-old man who was attending the outpatients clinic in our hospital because of multiple lacunar cerebral infarctions and mild mental disturbance developed an inability to gaze to the left side voluntarily. MR imaging revealed a new cerebral microbleed in the medial lemniscus of the right side in the mid-pontine region. The finding in this case suggests that the pathways from the frontal eye field descend at least to the level of the mid-pontine region ipsilaterally, and that the pathways then contralaterally decussate and terminate in the paramedian pontine reticular formation. Cerebral microbleeds can be symptomatic depending on the neuro-anatomical structures involved.
Literature
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Daroff RB, Troost BT, Leigh RJ (1990) Supranuclear disorders of eye movements. In: Glaser JS (ed) Neuro-ophthalmology, 2nd edn. JB Lippincott, Philadelphia, pp299–323
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Crosby EC, Yoss RE, Henderson JW (1952) The mammalian midbrain and isthmus region. The pattern for eye movements on the frontal eye field and the discharge of specific portions of this field to and through midbrain levels. J Comp Neurol 97:357–383PubMed
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Roob G, Fazekas F (2000) Magnetic resonance imaging of cerebral microbleeds. Curr Opin Neurol 13:69–73
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Werring DJ, Frazer DW, Coward LJ et al (2004) Cognitive dysfunction in patients with cerebral microbleeds on T2*-weighted gradient–echo MRI. Brain 127:2265–2275CrossRefPubMed
Metadata
Title
Lateral gaze disturbance due to cerebral microbleed in the medial lemniscus in the mid-pontine region: a case report
Authors
A. Watanabe
T. Kobashi
Publication date
01-12-2005
Publisher
Springer-Verlag
Published in
Neuroradiology / Issue 12/2005
Print ISSN: 0028-3940
Electronic ISSN: 1432-1920
DOI
https://doi.org/10.1007/s00234-005-1441-1

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