Ataxia-telangiectasia is an autosomal recessive disorder caused by a defect in the ATM gene mapped to chromosome 11q22.3. The ATM gene product is involved in the detection of damaged DNA and plays a ...
A 21 year-old woman presented with slowly progressive gait and limb ataxia, scanning speech and nystagmus since early childhood. Spinocerebellar Ataxia (SCA): Axial CT scans. Note the severe atrophy ...