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Alexander Disease (Myeloencephalopathy/Fibrinoid Encephalomyelopathy/Rosenthal Fiber Myelopathy)
  • Description
  • Signalment
  • Clinical Features
  • Neurolocalization
  • Genetics
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An extremely rare primary degeneration of nervous elements with a range of clinical signs and disease patterns.
Age of Onset: 3-6 months of age
Sex Predisposition: Any sex of animal can be affected 
Clinical Course:
​
Clinical signs may worsen over time 
Clinical Signs:
Behavioral/Mental Awareness  
Alterations in personality or behavior
Aversion to touch
Reluctance to move
Excessive fear
Depressed
Comatose

Posture and Appearance  
Tremor
*Head tilt
Seizure-like activity
Thoracic limb extension
Opisthotonos
Reddened mucus membranes
Stiffness

Movement 
Ataxia
Drifting to the side
Myotonic spasms
Flaccid paraparesis to tetraparesis

Proprioception  
Slow postural reflexes

Cranial Nerves
Reduced menace response
Decreased physiologic nystagmus

Difficulty swallowing

 Spinal Reflexes  
Reduced/absent or increased spinal reflexes

Special Functions (e.g. respiration; urination)  
Urinary incontinence
Respiratory failure

Vocalization abnormalities
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Other 
Increased body temperature

​Diffuse CNS
Unknown
To read more about this disease click below:
References
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