Van Der Woude syndrome (VDWS) is a genetic disorder characterized by the combination of lower lip pits, cleft lip with or without cleft palate, and cleft palate alone (CP). The frequency of orofacial clefts ranges from 1:1000 to 1:500 births worldwide, and there are more than 400 syndromes that involve cleft lip with or without cleft palate. VWS is distinct from other clefting syndromes due to the combination of cleft lip and palate (CLP) and CP within the same family. Other features frequently associated with VWS include hypodontia in 10-81% of cases, narrow arched palate, congenital heart disease, heart murmur and cerebral abnormalities, syndactyly of the hands, polythelia, ankyloglossia, and adhesions between the upper and lower gum pads.
The association between lower lip pits and cleft lip and/or palate was first described by Anne Van der Woude in 1954. The worldwide disease incidence ranges from 1:100,000 to 1:40,000.
Read more about Van Der Woude Syndrome: Genetics, Morphogenesis, Diagnosis, Treatment, Genetic Counseling
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