Beckwith-Wiedemann syndrome
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Beckwith-Wiedemann syndrome (BWS) is a very rare genetic overgrowth syndrome (prevalence of about 1 in 36,000). This condition is caused either by mutations in DNA or by errors in imprinting.
Symptoms of the illness include macroglossia or 'large tongue'. Macroglossia occurs in approximately 80% of cases and often results in 'floppy' airways which are often treated by a tracheotomy.
External links
The Pediatric Bulletin (http://home.coqui.net/myrna/beck.htm)