Meningoencephalitis of Unknown Origin (MUO)
Meningoencephalitis of unknown origin is characterized by immune-mediated inflammation of the central nervous system with no identifiable cause.
Age of Onset: Any age of animal can be affected
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Clinical signs may worsen over time
Clinical signs may worsen over time
Clinical Signs:
Behavioral/Mental Awareness
Abnormal vocalization
Aggression
Decreased mentation
“Dull”
Excitation
Restlessness
Seizures
Sleepiness
Movement
Ataxia
Circling
Paresis
Tremors
Weakness
Unwilling to move
Proprioception
Paw placement deficits
Cranial Nerves
Blindness
Cranial nerve deficits
Nystagmus
Head tilt
Reduced menace response
Painful Reactions
Pain on palpation of the cervical spine
Behavioral/Mental Awareness
Abnormal vocalization
Aggression
Decreased mentation
“Dull”
Excitation
Restlessness
Seizures
Sleepiness
Movement
Ataxia
Circling
Paresis
Tremors
Weakness
Unwilling to move
Proprioception
Paw placement deficits
Cranial Nerves
Blindness
Cranial nerve deficits
Nystagmus
Head tilt
Reduced menace response
Painful Reactions
Pain on palpation of the cervical spine
Intracranial
Unknown
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