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Ring chromosome 5 syndrome

Disease definition

Ring chromosome 5 syndrome is a rare chromosomal anomaly syndrome, with high phenotypic variability, principally characterized by a neonatal mewing cry, severe developmental delay and intellectual disability, short stature, hypotonia, dysmorphic features (incl. microcephaly, facial asymmetry, hypertelorism, epicanthal folds, abnormal ears, micro/retrognathia), congenital cardiac anomalies (such as atrial and ventricular septal defect, tricuspid insufficiency, hypoplastic aorta) and skeletal abnormalities (e.g. hypoplastic thumbs, anomalous ulna/radius, dysplastic metacarpals and phalanges).


  • Synonym(s):
    • Ring 5
    • Ring chromosome 5
  • Prevalence: Unknown
  • Inheritance: Not applicable or Unknown 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q93.2
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: 10841
  • MedDRA: -

Additional information

Further information on this disease

Specialised Social Services

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