Medial pontine syndrome
Medical condition
Medial pontine syndrome | |
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Pons . (Medial pontine syndrome affects structures at the bottom of the diagram: the corticospinal tract, abducens nerve, and occasionally the facial nerve. Medial lemniscus is also affected, but not pictured.) | |
Specialty | Neurology |
Medial inferior pontine syndrome is a condition associated with a contralateral hemiplegia . [ citation needed ] "Medial inferior pontine syndrome" has been described as equivalent to Foville's syndrome . [1]
Presentation
Although medial pontine syndrome has many similarities to medial medullary syndrome , because it is located higher up the brainstem in the pons , it affects a different set of cranial nuclei. [ citation needed ]
Structure affected | Presentation |
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Corticospinal tract | Contralateral spastic hemiparesis |
Medial lemniscus | Contralateral PCML (aka DCML) pathway loss (tactile, vibration, and stereognosis) |
Abducens nerve | Strabismus (ipsilateral lateral rectus muscle paralysis - the affected eye looks down and towards the nose). Abducens nerve lesion localizes the lesion to inferior pons. |
Depending upon the size of the infarct, it can also involve the facial nerve .
Cause
Medial pontine syndrome results from occlusion of paramedian branches of the
basilar artery
.
[
citation needed
]
Diagnosis
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(
September 2017
)
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Treatment
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(
September 2017
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See also
References
- ↑ Hubloue I, Laureys S, Michotte A (September 1996). "A rare case of diplopia: medial inferior pontine syndrome or Foville's syndrome". Eur J Emerg Med . 3 (3): 194–8. doi : 10.1097/00063110-199609000-00011 . PMID 9023501 .
External links
Cerebrovascular diseases
including
stroke
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Cerebral cortex |
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Subcortex |
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Cerebellum |
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Brainstem |
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