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Diagnosis and management of early- and late-onset cerebellar ataxia

Diagnosis and management of early- and late-onset cerebellar ataxia

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9. Paraneoplastic antibodies:<br />

Antibody<br />

Coexisting<br />

symptoms (apart<br />

from <strong>ataxia</strong>) Associated cancers<br />

Anti-Yo — Gynaecological,<br />

breast<br />

Anti-Tr — Hodgkin lymphoma<br />

Anti-mGluR1-a — Hodgkin lymphoma<br />

Anti-Zic4 — Small cell lung<br />

Anti-Hu Encephalomyelitis,<br />

limbic encephalitis,<br />

sensory neuronopathy,<br />

autonomic<br />

dysfunction<br />

Anti-Ri Opsoclonus-myoclonus,<br />

brain stem<br />

encephalitis<br />

Anti-Ma Limbic <strong>and</strong> brain<br />

stem encephalitis,<br />

Opsoclonus-myoclonus<br />

carcinoma (SCLC)<br />

SCLC, neuroblastoma,<br />

sarcoma,<br />

other<br />

Breast, gynaecological,<br />

SCLC<br />

Breast<br />

Anti-PCA2 Encephalomyelitis SCLC<br />

Anti-CRMP Encephalomyelitis,<br />

chorea, polyneur-<br />

opathy<br />

Anti-VGCC Autonomic dysfunction,<br />

Lambert<br />

Eaton myastenic<br />

syndrome<br />

SCLC, thymoma,<br />

germ cell tumours<br />

<strong>of</strong> testis<br />

SCLC<br />

Lumbar puncture in screening for inflammatory/immune-mediated<br />

disorders:<br />

Study Indicative <strong>of</strong><br />

Mononuclear <strong>and</strong> polynu- infections, immuneclear<br />

lymphocytes, glucose mediated disorders<br />

Protein, IgG index (immune inflammation, immune-<br />

electrophoresis)<br />

mediated disorders,<br />

demyelinization<br />

Consider: lactate, pyruvate mitochondrial disorders<br />

Consider: viral/infectious infection by borrelia, crypto-<br />

screening<br />

coccus, herpes, Epstein-<br />

Barr virus (EBV),<br />

Coxsackie, echo, human<br />

immunodeficiency virus<br />

(HIV), human T-cell lymphotropic<br />

virus (HTLV1), or<br />

toxoplasmosis, leptospirosis,<br />

tuberculosis<br />

10. Laboratory studies for whipple <strong>and</strong> malabsorption:<br />

Study Indicative <strong>of</strong><br />

Vitamin E, B1, B6, B12,<br />

cholesterol triglycerides,<br />

low-density lipoprotein, very<br />

low-density lipoprotein<br />

malabsorption, vitamin<br />

deficiency<br />

PCR Tropheryma whippelii whipple disease<br />

<strong>Diagnosis</strong> <strong>and</strong> <strong>management</strong> <strong>of</strong> <strong>cerebellar</strong> <strong>ataxia</strong><br />

References<br />

1. Holmes G. An attempt to classify <strong>cerebellar</strong> disease, with<br />

a note on Marie’s hereditary <strong>cerebellar</strong> <strong>ataxia</strong>. Brain 1907:<br />

30: 545–567.<br />

2. Harding AE. Clinical features <strong>and</strong> classification <strong>of</strong> inherited<br />

<strong>ataxia</strong>s. Adv Neurol 1993: 61: 1–14.<br />

3. Harding AE. Classification <strong>of</strong> the hereditary <strong>ataxia</strong>s <strong>and</strong><br />

paraplegias. Lancet 1983: 21: 1151–1155.<br />

4. Harding AE. ‘‘Idiopathic’’ <strong>late</strong> <strong>onset</strong> <strong>cerebellar</strong> <strong>ataxia</strong>. A<br />

clinical <strong>and</strong> genetic study <strong>of</strong> 36 cases. J Neurol Sci 1981: 51:<br />

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11. Bird TD. Hereditary <strong>ataxia</strong> overview. http://www.gene<br />

clinics.org/servlet/access?db=geneclinics&site=gt&id=<br />

8888891&key=Fkx-A35oEHZ2G&gry=&fcn=y&fw=g8bn<br />

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servlet/access?db=geneclinics&site=gt&id=8888891&key=<br />

06iI-vAoT3w2W&gry=&fcn=y&fw=XK5l&filename=/<br />

pr<strong>of</strong>iles/ea2/index.html (accessed 9 April 2006).<br />

14. Jen JC, Wan J, Palos TP et al. Mutation in the glutamate<br />

transporter EAAT1 causes episodic <strong>ataxia</strong>, hemiplegia <strong>and</strong><br />

seizures. Neurology 2005: 65: 529–534.<br />

15. Baloh RW, Jen JC. Genetics <strong>of</strong> familial episodic vertigo<br />

<strong>and</strong> <strong>ataxia</strong>. Ann NY Acad Sci 2002: 956: 338–345.<br />

16. Van de Warrenburg BP, Sinke RJ, Verschuuren-Bemelmans<br />

CC et al. Spino<strong>cerebellar</strong> <strong>ataxia</strong>s in the Netherl<strong>and</strong>s:<br />

prevalence <strong>and</strong> age at <strong>onset</strong> variance analysis. Neurology<br />

2002: 58: 702–708.<br />

17. Van Swieten JC, Brusse E, De Graaf B et al. A mutation in<br />

the fibroblast growth factor 14 gene is associated with<br />

autosomal dominant <strong>cerebellar</strong> <strong>ataxia</strong> (corrected). Am J<br />

Hum Genet 2003: 72: 191–199.<br />

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<strong>ataxia</strong> type-10 (SCA10). Cerebellum 2005: 4: 37–42.<br />

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dominant <strong>cerebellar</strong> <strong>ataxia</strong> linked to chromosome<br />

16q22.1 is associated with a single-nucleotide substitution<br />

in the 5# untrans<strong>late</strong>d region <strong>of</strong> the gene encoding a<br />

protein with spectrin repeat <strong>and</strong> rho guanine-nucleotide<br />

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mutations cause spino<strong>cerebellar</strong> <strong>ataxia</strong> type 5. Nat Genet<br />

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23

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