Bulbar palsy

Bulbar palsy

Infobox_Disease
Name = Bulbar Palsy


Caption =
DiseasesDB = 16043
ICD10 = ICD10|G|12|2|LinkGroup|LinkMajor
ICD9 = ICD9|334.22
ICDO =
OMIM =
MedlinePlus =
eMedicineSubj =
eMedicineTopic =
MeshID =

Bulbar palsy refers to bilateral impairment of function of the lower cranial nerves IX, X, XI and XII, which occurs due to lower motor neuron lesion either at nuclear or fascicular level in the medulla or from bilateral lesions of the lower cranial nerves outside the brain-stem.Bulbar Palsy is an assortment of signs and symptoms, not the name of a precise disease.

Causes

* Genetic: Kennedy's disease
* Vascular causes: medullary infarction
* Degenerative diseases: motor neuron disease, syringobulbia
* Inflamatory/infective: Guillain-Barré syndrome, poliomyelitis, Lyme disease
* Malignancy: brain-stem glioma

ymptoms

These include:
* dysphagia (difficulty in swallowing)
* difficulty in chewing
* nasal regurgitation
* slurring of speech
* choking on liquids

igns

These include:
* Nasal speech lacking in modulation and difficulty with all consonants
* Tongue is wasted and shows fasciculations.
* Dribbling of saliva.
* Weakness of the soft palate, examined by asking the patient to say aah.
* The jaw jerk is normal or absent.
* The gag reflex is absent.
* In addition, there may be lower motor neuron lesions of the limbs.

Pseudobulbar palsy is a clinical syndrome similar to bulbar palsy but the damage is occurred in upper motor neurons, that is the nerves cells come down from the cerebral cortex inervating the motor nuclei in the medulla.

See also

*Progressive bulbar palsy
*Pseudobulbar palsy

External link for a comparison of bulbar palsy with pseudobulbar palsy:


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  • bulbar paralysis — n destruction of nerve centers of the medulla oblongata and paralysis of the parts innervated from the medulla with interruption of their functions (as swallowing or speech) * * * progressive bulbar palsy …   Medical dictionary

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  • Pseudobulbar palsy — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 10826 ICD10 = ICD9 = ICD9|335.23 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D020828 Pseudobulbar palsy is bilateral impairment of the function of the lower cranial… …   Wikipedia

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