| Lateral pontine syndrome | |
|---|---|
| Classification and external resources | |
 Pons |
|
| ICD-10 | G46.3 |
A lateral pontine syndrome is a lesion which is similar to the Lateral medullary syndrome, but because it occurs in the pons, it also involves the cranial nerve nuclei of the pons.
Causes
It can be caused by an interruption to the blood supply of the anterior inferior cerebellar artery.
Symptoms
Damage to the following areas produces symptoms:
| Structure affected | Effect |
|---|---|
| Spinothalamic tract | Contralateral loss of pain and temperature |
| Spinal trigeminal nucleus (V) | Ipsilateral loss of pain and temperature sensation in face |
| Main sensory trigeminal nucleus (V) | Ipsilateral loss of sensation on face |
| Trigeminal motor nucleus (V) | Ipsilateral paralysis of muscles of mastication |
| Facial nucleus (VII) | Ipsilateral paralysis of face (lower motor neuron lesion) |
| Vestibulocochlear nerve (VIII) | Hearing loss |
| Middle cerebellar peduncle | Ipsilateral ataxia |
External links
- http://isc.temple.edu/neuroanatomy/lab/lesions/18.htm - inferior
- http://isc.temple.edu/neuroanatomy/lab/lesions/20.htm - mid
- http://isc.temple.edu/neuroanatomy/lab/lesions/22.htm - superior
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