Causes
The cause of Goldenhar syndrome is largely unknown. However, it is thought to be multifactorial, although there may be a genetic component, which would account for certain familial patterns. It has been suggested that there is a branchial arch development issue late in the first trimester.
An increase in Goldenhar syndrome in the children of Gulf War veterans has been suggested but the difference was shown to be statistically insignificant.
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