41. Congenital And Neoplastic Diseases Of The Nervous System Flashcards
Congenital brain disorders
Hydrocephalus Lissencepalopathy Cerebellar hypoplasia Chiari like malformation Syringomyelia
Hydrocephalus
Increase volume of csf
Abnormal dilation of of ventricle system in Brian
Compensatory or obstructive
Communicating or non communicating
Hydrocephalus 2
Congenital
Drainage
Absorption
Acquired
Neoplasia
Inflammation
Trauma
FIP and toxoplasma infection in uterus
Lissencephaly
Smooth brain
Inherited
Learning difficulties
Cerebellar hypoplasia
Cerebellar malformation
Cats. Feline panleukopenia virus uterus-perinatal
Dogs. Parvovirus uterus-perinatal
Chiari like malformation
Herniation of the cerebellum through foramen magnum
Syringomyelia
Cavitation of the spinal cord parenchyma
Lower motor neuron symptoms
Hyporeflexia
Weakness
Decr. Muscle resting tone
Decr. Muscle tone when moving
Upper motor neuron symptoms
Hyperreflexia
Maintenance of strength
Incr muscle tone
Spasticity of limbs
Wobbler syndrome
Soft tissue alteration leading to spinal cord compression Great Dane- bone malformation Doberman- soft tissue hypertrophy Cs Dx Tx
Atlantoaxial luxation
Dorsal luxation of c2
Toy breeds
Cs : neck pain - ataxia - tetraplegia
Myelomalatia
Progressive and ischemic necrosis of the spinal cord post injury
Degenerative myelopathy
Old dogs
Progressive ataxia
Spinal cord neoplasia
Extradural
Subarachnoid
Intramedullary
Intravertebral disc disease
Herniation
Mostly sec. to pre existing degeneration
Types
Hansen 1 - full rupture of annulus fibrosus, prolapse of nucleus into vertebral canal. Acute severe
Hansen 2 - partial rupture of annulus fibrosus, nucleus pulposus bulges into vertebral canal. Chronic milder
