What causes Multiple pterygium syndrome Escobar type ?
What causes multiple pterygium syndrome, Escobar type? Some cases of multiple pterygium syndrome, Escobar type are caused by mutations in the CHRNG gene. There are likely other causes of this syndrome as well which have not yet been identified. As a result, in some cases the cause for the syndrome can not be determined.  Escobar syndrome is usually inherited in an autosomal-recessive fashion.