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ATAXIAS: General

Classification

Congenital

Hereditary
  Autosomal Dominant
  Autosomal Recessive
  X-linked

  Congenital
  DNA repair defects
  Metabolic disorders
  Mitochondrial
  Multisystem disorders

  External link

Immune
  Acute cerebellar ataxia
  Miller-Fisher
  Multiple sclerosis
  Opsoclonus-Myoclonus
  Paraneoplastic
Infections: CNS
  Acute ataxia: Viral
  Creutzfeldt-Jakob
  Meningitis

Mass lesion
  Abscess
  Neoplasm
  Sarcoid

Paroxysmal
  Epilepsy
  Febrile
  Hereditary
  Migraine

Polyneuropathy
  Anti-MAG Syndrome
  GALOP Syndrome
  Sensory Neuronopathy
  Large fiber

Supratentorial
  Gait disorders
    Elderly
    Extrapyramidal
  Hydrocephalus

Systemic
  Amyloid
  Autoimmune
    GAD antibodies
  Endocrine
    Hypoparathyroid
    Thyroid
  GI disorders
    Celiac disease; Sprue
    Vitamin E malabsorption
    Whipple's

Trauma

Vascular

Vestibular
Toxins & Drugs



Ataxia: Differential diagnostic testing 1



CEREBELLAR DYSFUNCTION: ANATOMY

Cerebellar lesionSigns
Posterior
(Flocculo-nodular lobe; Archicerebellum)
Eye movement disorders: Nystagmus; Vestibulo-ocular reflex (VOR)
Postural and gait dysfunction
Midline
(Vermis; paleocerebellum)
Truncal & gait ataxia
Hemisphere
(Neocerebellum)
Limb ataxia: Dysmetria, Dysdiadochokinesis, "intention" tremor
Dysarthria
Hypotonia


Patient Resources
Patient information

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References
1. Lancet Neurol 2010;9:94–104

2/19/2010