Spinocerebellar ataxia type 2 (SCA2) is a late-onset autosomal dominant cerebellar ataxia caused by triplet CAG/CTG expansion in the ATX2 gene. The initial symptoms usually appear when subjects are in their 30s. Pediatric onset is less common and usually associated with larger triplet expansions. We here report the case of a 1-year-old girl who presented with facial dysmorphism, dystonic features, developmental delay, and retinitis pigmentosa. She was diagnosed as carrying an expanded CAG/CTG tract (92 repeats) before a molecular diagnosis of SCA2 was made in her father. Facial dysmorphism associated with developmental delay and retinitis pigmentosa in early childhood should prompt a careful family investigation for ataxia and study of ATX2.

Infantile Childhood Onset of Spinocerebellar Ataxia Type 2 / DI FABIO, Roberto; Filippo, Santorelli; Enrico, Bertini; Martina, Balestri; Laura, Cursi; Alessandra, Tessa; Pierelli, Francesco; Casali, Carlo. - In: THE CEREBELLUM. - ISSN 1473-4222. - 11:2(2012), pp. 526-530. [10.1007/s12311-011-0315-9]

Infantile Childhood Onset of Spinocerebellar Ataxia Type 2

DI FABIO, ROBERTO;PIERELLI, Francesco;CASALI, Carlo
2012

Abstract

Spinocerebellar ataxia type 2 (SCA2) is a late-onset autosomal dominant cerebellar ataxia caused by triplet CAG/CTG expansion in the ATX2 gene. The initial symptoms usually appear when subjects are in their 30s. Pediatric onset is less common and usually associated with larger triplet expansions. We here report the case of a 1-year-old girl who presented with facial dysmorphism, dystonic features, developmental delay, and retinitis pigmentosa. She was diagnosed as carrying an expanded CAG/CTG tract (92 repeats) before a molecular diagnosis of SCA2 was made in her father. Facial dysmorphism associated with developmental delay and retinitis pigmentosa in early childhood should prompt a careful family investigation for ataxia and study of ATX2.
2012
facial dysmorphism; early childhood; autosomal dominant cerebellar ataxia; spinocerebellar ataxia type 2
01 Pubblicazione su rivista::01a Articolo in rivista
Infantile Childhood Onset of Spinocerebellar Ataxia Type 2 / DI FABIO, Roberto; Filippo, Santorelli; Enrico, Bertini; Martina, Balestri; Laura, Cursi; Alessandra, Tessa; Pierelli, Francesco; Casali, Carlo. - In: THE CEREBELLUM. - ISSN 1473-4222. - 11:2(2012), pp. 526-530. [10.1007/s12311-011-0315-9]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/438965
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