(Idiopathic) Eosinophilic (Granulomatous) Meningoencephalitis
Idiopathic infiltration of eosinophils into central nervous system structures resulting in damage and inflammation.
Age of Onset: 4 months - 1 year of age
Sex Predisposition: Males are more likely to be affected
Clinical Course:
Clinical signs may worsen over time
Clinical signs may worsen over time
Clinical Signs:
Behavioral/Mental Awareness
Behavioral changes/Loss of learned behaviors
Depression
Seizures
Episodic collapse
Posture and Appearance
Deviation of the head to the right
Generalized muscle tremors
Torticollis to the right
Movement
Circling
Head pressing
Mild ataxia
Pacing
Tetraparesis
Proprioception
Proprioceptive deficits
Cranial Nerves
Anisocoria
Dilated non-responsive left pupil
Mildly contracted facial muscles
Decreased gag reflex
Spinal Reflexes
Normal to decreased spinal reflexes
Painful Reactions
Pain on palpation of the cervical and/or thoracolumbar vertebral column
Other
Decreased appetite
Excessive salivation
Hypersensitivity to touch and sound
Behavioral/Mental Awareness
Behavioral changes/Loss of learned behaviors
Depression
Seizures
Episodic collapse
Posture and Appearance
Deviation of the head to the right
Generalized muscle tremors
Torticollis to the right
Movement
Circling
Head pressing
Mild ataxia
Pacing
Tetraparesis
Proprioception
Proprioceptive deficits
Cranial Nerves
Anisocoria
Dilated non-responsive left pupil
Mildly contracted facial muscles
Decreased gag reflex
Spinal Reflexes
Normal to decreased spinal reflexes
Painful Reactions
Pain on palpation of the cervical and/or thoracolumbar vertebral column
Other
Decreased appetite
Excessive salivation
Hypersensitivity to touch and sound
Diffuse central nervous system (predominant supratentorial)
Unknown
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