(Idiopathic) Eosinophilic (Granulomatous) Meningoencephalitis
Idiopathic infiltration of eosinophils into central nervous system structures resulting in damage and inflammation.
Age of Onset: 4 months - 5.5 years of age
Sex Predisposition: Males are more likely to be affected
Clinical Course:
Clinical signs may worsen over time (over the course of weeks to months)
Clinical signs may worsen over time (over the course of weeks to months)
Clinical Signs:
Behavioral/Mental Awareness
Behavioral abnormalities
Depression
Seizures
Posture and Appearance
All 4 limbs in rigid extension
Generalized muscle tremors
Torticollis
Movement
Circling
Collapse
Head pressing
Mild ataxia
Pacing
Tetraparesis
Proprioception
Proprioceptive deficits
Cranial Nerves
Anisocoria
Mildly contracted facial muscles
Spinal Reflexes
Reduced to normal spinal reflexes
Special Reflexes (e.g. cutaneous trunci)
Decreased gag reflex
Painful Reactions
Pain on palpation of cervical spine
Other
Decreased appetite
Excessive salivation
Hypersensitivity to touch and sound
Behavioral/Mental Awareness
Behavioral abnormalities
Depression
Seizures
Posture and Appearance
All 4 limbs in rigid extension
Generalized muscle tremors
Torticollis
Movement
Circling
Collapse
Head pressing
Mild ataxia
Pacing
Tetraparesis
Proprioception
Proprioceptive deficits
Cranial Nerves
Anisocoria
Mildly contracted facial muscles
Spinal Reflexes
Reduced to normal spinal reflexes
Special Reflexes (e.g. cutaneous trunci)
Decreased gag reflex
Painful Reactions
Pain on palpation of cervical spine
Other
Decreased appetite
Excessive salivation
Hypersensitivity to touch and sound
Brain and spinal cord
Unknown
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