Ataxia
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Basics
Description
- Inability to perform coordinated movements
- Caused by a disorder of the cerebellum or its connections:
- Ipsilateral signs with lateral cerebellar lesions
- Truncal ataxia with midline lesions
Etiology
- Usually cerebellar in origin, but may occur with sensory, motor, or vestibular dysfunction
- May be acquired or hereditary:
- Trauma
- Mass lesions
- Vascular disorders, such as stroke
- Infections or postinfectious processes
- Toxins/drugs
- Metabolic/endocrine derangements
- Paraneoplastic syndromes
- Autoimmune diseases
- Demyelinating diseases
- Nutritional deficiencies
- Hydrocephalus
- Congenital malformations
- Hereditary disorders:
- Inborn errors of metabolism
- Progressive degenerative ataxias
-- To view the remaining sections of this topic, please log in or purchase a subscription --
Basics
Description
- Inability to perform coordinated movements
- Caused by a disorder of the cerebellum or its connections:
- Ipsilateral signs with lateral cerebellar lesions
- Truncal ataxia with midline lesions
Etiology
- Usually cerebellar in origin, but may occur with sensory, motor, or vestibular dysfunction
- May be acquired or hereditary:
- Trauma
- Mass lesions
- Vascular disorders, such as stroke
- Infections or postinfectious processes
- Toxins/drugs
- Metabolic/endocrine derangements
- Paraneoplastic syndromes
- Autoimmune diseases
- Demyelinating diseases
- Nutritional deficiencies
- Hydrocephalus
- Congenital malformations
- Hereditary disorders:
- Inborn errors of metabolism
- Progressive degenerative ataxias
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