Abstract
Ataxia telangiectasia (A-T) is an autosomal recessive disease (OMIM #208900) with severe neurological involvement typically with cerebellar ataxia as the first presenting symptom. It is caused by a mutation in the ataxia telangiectasia mutated (ATM) gene that results in a protein that impairs the repair of damaged DNA. It does not depend on race or ethnicity, affecting males and females equally. However, consanguinity significantly increases its incidence. This is a descriptive observational study of case report type, its objective is to present three siblings with Ataxia Telangiectasia, a brief description of A-T and how these patients exemplify the presentation of A-T along different ages in the same family.
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