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Updated: May 1, 2026

A Simple Composite Phenotype Scoring System for Evaluating Mouse Models of Cerebellar Ataxia
Published on: May 21, 2010
Adult onset sporadic ataxias: a diagnostic challenge
Orlando Graziani Povoas Barsottini1, Marcus Vinicius Cristino de Albuquerque1, Pedro Braga-Neto1
1Departamento de Neurologia e Neurocirurgia, Unidade Ataxia, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil.
Abstract:
Patients with adult onset non-familial progressive ataxia are classified in sporadic ataxia group. There are several disease categories that may manifest with sporadic ataxia: toxic causes, immune-mediated ataxias, vitamin deficiency, infectious diseases, degenerative disorders and even genetic conditions. Considering heterogeneity in the clinical spectrum of sporadic ataxias, the correct diagnosis remains a clinical challenge. In this review, the different disease categories that lead to sporadic ataxia with adult onset are discussed with special emphasis on their clinical and neuroimaging features, and diagnostic criteria.
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