Beckwith-Wiedemann Syndrome

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English: Beckwith-Wiedemann syndrome

  • This uniparental disomy is connected with changes of methylation on chromosome 11 (11p15). The syndrome affects more parts of the body.
  • Typical symptoms: macrosomia (overgrowth or simply gigantism), omphalocele (or related abdominall wall defect), large tongue (macroglossia), kidney abnormalities, hypoglycemia (because of the hyperinsulinisms) and increased risk of tumors (like Wilms tumor) during the childhood. About 20% of patients die in early age because of the complications of these congenital symptoms.
  • It is alo called EMG syndrome (exomphalos, macroglossia, gigantism).
  • Incidence of Beckwith-Wiedemann sydrome is 1 in 12 000 people worldwide.
  • Molecular-genetic diagnostics (inluding the identification of abnormal methylation) is possible.

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  • KUMAR, ABBAS, FAUSTO, MITCHELL,. Robbins Basic Pathology. 8th edition edition. 2007. ISBN 978-0-8089-2366-4.