SLC52A2 mutations cause SCABD2 phenotype: A second report.

Introduction: Autosomal recessive cerebellar ataxias (ARCAs) are a large group of neurodegenerative disorders that manifest mainly in children and young adults. Most ARCAs are heterogeneous with respect to age at onset, severity of disease progression, and frequency of extracerebellar and systemic signs.

Methods: The phenotype of a consanguineous Iranian family was characterized using clinical testing and pedigree analysis.