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Pathology
Damage to olfactory nerve
Aetiology
Head injury, tumour, sinus disease
Signs
Change in taste sensation on examination
Symptoms
Hyposmia, anosmia, altered
Investigations
Imaging: CT or MRI to assess for underlying cause
Treatment
Treat underlying cause
Prognosis
If secondary to brain injury then condition is permanent
Key Facts
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Key Images
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Key References
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