Alternative titles and symbols : Exomphalos-macroglossia-gigantism syndrome; Emg syndrome; Wiedemann-beckwith syndrome; WBS;
Included titles and symbols : Beckwith-wiedemann syndrome chromosome region; BWCR;
Description : Beckwith-Wiedemann syndrome is a pediatric overgrowth disorder involving a predisposition
to tumor development. The clinical presentation is highly variable; some cases lack
the hallmark features of exomphalos, macroglossia, and gigantism as originally described
by Beckwith (1969) and Wiedemann (1969) (summary by Weksberg et al., 2010).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by contiguous gene duplication of imprinted region of 11p15.5; Caused by mutation in the nuclear receptor binding SET domain protein 1 (NSD1, 606681.0011); Caused by mutation in the cyclin-dependent kinase inhibitor 1C gene (CDKN1C, 600856.0001); Caused by contiguous gene deletion of imprinted region of 11p15.5; Caused by mutation in the KCNQ1-overlapping transcript 1 gene (KCNQ1OT1, 604115.0001);