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J Child Neurol. 2007 Jun;22(6):773-4.

Severe speech delay as the presenting symptom of guanidinoacetate methyltransferase deficiency.

Author information

  • 1Division of Biochemical and Paediatric Genetics, Department of General Paediatrics, University Children's Hospital Vienna, Austria.

Abstract

Guanidinoacetate methyltransferase deficiency typically presents with muscular hypotonia, global developmental delay, extrapyramidal signs, and seizures during infancy and childhood. The authors report a 5-year-old child with guanidinoacetate methyltransferase deficiency who presented with severe speech delay, emphasizing the importance of an early screening for disorders of creatine synthesis and transport in every infant or child with isolated speech delay of unknown cause.

PMID:
17641269
DOI:
10.1177/0883073807304015
[PubMed - indexed for MEDLINE]
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