Reading Time:
Pathology
Damage to hypoglossal nerve
Aetiology
Upper Motor Neuron: Cerebrovascular disease and motor neuron disease
Lower Motor Neuron: Tumour
Signs
Upper Motor Neuron Lesion: Stiff tongue movement
Lower Motor Neuron Lesion: Atrophy and fasciculation of tongue muscle
Symptoms
Weakness of tongue muscles
Investigations
Imaging: MRI to assess for underlying abnormality
EMG: If fasciculation present
Treatment
Dependent on underlying cause
Prognosis
Dependent on underlying cause
Key Facts
Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Felis aliquet egestas vitae, nibh ante quis quis dolor sed mauris.
Key Images
Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Felis aliquet egestas vitae, nibh ante quis quis dolor sed mauris.
Key References
Lorem ipsum dolor sit amet, sapien platea morbi dolor lacus nunc, nunc ullamcorper. Felis aliquet egestas vitae, nibh ante quis quis dolor sed mauris.