(Acquired) Syringohydromyelia/Syringomyelia/Hydromyelia
Syringohydromyelia refers to abnormal accumulation of cerebrospinal fluid within compartments of the spinal cord. More specifically, syringomyelia refers to fluid accumulation within the spinal cord parenchyma, while hydromyelia describes dilation of the central canal.
Development of syringomyelia or hydromyelia is commonly associated with caudal occipital malformation syndrome or “Chiari” malformation. In some instances, the condition is acquired due to local spinal injury or disease.
Development of syringomyelia or hydromyelia is commonly associated with caudal occipital malformation syndrome or “Chiari” malformation. In some instances, the condition is acquired due to local spinal injury or disease.
Age of Onset: Any age of animal can be affected
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Clinical signs are variable, depending on the underlying cause, clinical signs are slowly progressive over time
Clinical signs are variable, depending on the underlying cause, clinical signs are slowly progressive over time
Clinical Signs:
Behavioral/Mental Awareness
Phantom scratching (ears, cervical, or thoracic region)
Posture and Appearance
Scoliosis
Movement
Paresis of the thoracic limb on the side affected
Proprioception
Postural reaction defecits
Spinal Reflexes
Patellar and cranial tibial hyperreflexia
Reduced withdrawal reflex
Special Reflexes (e.g. cutaneous trunci)
Reduced cutaneous trunci reflex
Behavioral/Mental Awareness
Phantom scratching (ears, cervical, or thoracic region)
Posture and Appearance
Scoliosis
Movement
Paresis of the thoracic limb on the side affected
Proprioception
Postural reaction defecits
Spinal Reflexes
Patellar and cranial tibial hyperreflexia
Reduced withdrawal reflex
Special Reflexes (e.g. cutaneous trunci)
Reduced cutaneous trunci reflex
Spinal cord (cervical and thoracolumbar most common)
Unknown
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