Variant ataxia telangiectasia identified during evaluation for short stature.

Ataxia telangiectasia (A-T) (OMIM 208900) is an autosomal recessive multisystem disorder characterised by progressive cerebellar ataxia, telangiectasias, immunodeficiency and a predisposition to malignancy. 'Variant' A-T has later onset of neurological symptoms and slower progression compared with the 'classic' form. A woman presented with short stature in late childhood. Karyotype revealed rearrangements involving chromosomes 7 and 14. A chromosomal breakage disorder gene panel demonstrated compound heterozygote mutations in her

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Competing interests: None declared.